First Post! Got 2nd in a Omaha Hi Tournament, Did I play it wrong?

[Zonify]

Final 2 I had like a 18:1 chip lead -_-, I know I suck, and somehow I ended up 2nd place. Here are the hand histories of the final hands in a condensed form. Please critique me, tell me what I did wrong, and what to do better next time. He did get lucky on numerous all ins BTW. I will highlight the main hands.

Heres the Starting chip count at final 2:
Seat 4: kalkiyali (27,044 in chips)
Seat 7: Zonify (421,456 in chips)

Dealt to Zonify [ 8c ]
Dealt to Zonify [ Ah ]
Dealt to Zonify [ 9h ]
Dealt to Zonify [ As ]
Zonify : Raise (30,000)
kalkiyali: Call All-in (15,044)
Pot: 54,088 | Board: [ 2s Jc Js Ts 3s ]
kalkiyali bet 27,044, collected 54,088, net +27,044 (showed hand) [ 3c 2d 2c 3d ] (a full house, threes full of jacks)
Zonify bet 36,000, collected 8,956, net -27,044 (showed hand) [ 8c Ah 9h As ] (two pair, aces and jacks)
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So I got unlucky on our first all in. I know I went in with the right hand.

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Seat 4: kalkiyali (54,088 in chips)
Seat 7: Zonify (394,412 in chips)
kalkiyali: Post Small Blind (6,000)
Zonify : Post Big Blind (12,000)
Dealt to Zonify [ 6d ]
Dealt to Zonify [ Kc ]
Dealt to Zonify [ Js ]
Dealt to Zonify [ Ac ]
kalkiyali: Call (6,000)
Zonify : Check
*** FLOP *** : [ 5s Kh 4c ]
Zonify : Bet (12,000)
kalkiyali: Call (12,000)
*** TURN *** : [ 5s Kh 4c ] [ 2d ]
Zonify : Bet (12,000)
kalkiyali: Call (12,000)
*** RIVER *** : [ 5s Kh 4c 2d ] [ 3h ]
Zonify : Bet (12,000)
kalkiyali: Raise All-in (18,088)
Zonify : Call (6,088)
*** SUMMARY ***
Pot: 108,176 | Board: [ 5s Kh 4c 2d 3h ]
kalkiyali bet 54,088, collected 108,176, net +54,088 (showed hand) [ 5c 3c 9h 7h ] (two pair, fives and threes)
Zonify lost 54,088 (showed hand) [ 6d Kc Js Ac ] (a pair of kings)
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I was rivered here, Should I have been more agressive?
The next hand was one of my 2 mistakes.
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Seat 4: kalkiyali (102,176 in chips)
Seat 7: Zonify (346,324 in chips)
kalkiyali: Post Small Blind (10,000)
Zonify : Post Big Blind (20,000)
Dealt to Zonify [ Kc ]
Dealt to Zonify [ 3d ]
Dealt to Zonify [ 5c ]
Dealt to Zonify [ 9c ]
kalkiyali: Raise (50,000)
Sema1 said, "go Zon GOOOOOOO....lol"
Zonify said, "trying"
Zonify : Call (40,000)
*** FLOP *** : [ Ad 7d 4c ]
Zonify : Check
kalkiyali: Bet (42,176)
Zonify : Fold
kalkiyali: Winner -- doesn't show cards
*** SUMMARY ***
Pot: 120,000 | Board: [ Ad 7d 4c ]
kalkiyali bet 102,176, collected 162,176, net +60,000
Zonify lost 60,000 (folded) [ Kc 3d 5c 9c ] (high card ace)
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I called 50k on a junk hand, I thought he was just making a move. Next hand was my 2nd and biggest mistake which gave me the loss basically.
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Seat 4: kalkiyali (162,176 in chips)
Seat 7: Zonify (286,324 in chips)
Zonify : Post Small Blind (10,000)
kalkiyali: Post Big Blind (20,000)
Dealing...
Dealt to Zonify [ 6d ]
Dealt to Zonify [ 4s ]
Dealt to Zonify [ 4d ]
Dealt to Zonify [ 2d ]
Zonify said, "doh"
Zonify : Call (10,000)
kalkiyali: Check
*** FLOP *** : [ 3c 8d Ad ]
kalkiyali: Check
Zonify : Bet (30,000)
kalkiyali: Call (30,000)
*** TURN *** : [ 3c 8d Ad ] [ 6c ]
kalkiyali: Bet (100,000)
Zonify : Raise (200,000)
kalkiyali: Call All-in (12,176)
*** RIVER *** : [ 3c 8d Ad 6c ] [ 9h ]
*** SUMMARY ***
Pot: 324,352 | Board: [ 3c 8d Ad 6c 9h ]
kalkiyali bet 162,176, collected 324,352, net +162,176 (showed hand) [ Ah Qs 5c Jc ] (a pair of aces)
Zonify bet 250,000, collected 87,824, net -162,176 (showed hand) [ 6d 4s 4d 2d ] (a pair of sixes)
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I shouldnt have called 100k, and especially not on a draw. Heres the final hand of the tournament, which he rivered me on. But I did catch the turn on him.
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Seat 4: kalkiyali (324,352 in chips)
Seat 7: Zonify (124,148 in chips)
kalkiyali: Post Small Blind (10,000)
Zonify : Post Big Blind (20,000)
Dealt to Zonify [ Jc ]
Dealt to Zonify [ 6d ]
Dealt to Zonify [ 2d ]
Dealt to Zonify [ Ad ]
kalkiyali: Call (10,000)
Zonify : Check
*** FLOP *** : [ Tc 2s 7h ]
Zonify : Check
kalkiyali: Bet (20,000)
Zonify : Raise (100,000)
kalkiyali: Call (80,000)
*** TURN *** : [ Tc 2s 7h ] [ Ac ]
Zonify : Bet All-in (4,148)
kalkiyali: Call (4,148)
*** RIVER *** : [ Tc 2s 7h Ac ] [ Td ]
*** SUMMARY ***
Pot: 248,296 | Board: [ Tc 2s 7h Ac Td ]
kalkiyali bet 124,148, collected 248,296, net +124,148 (showed hand) [ Ts Qc Ks Jd ] (three of a kind, tens)
Zonify lost 124,148 (showed hand) [ Jc 6d 2d Ad ] (two pair, aces and tens)
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Please critique my play and advise me as to what not to do next time. I had such a huge lead and figured it was a guranteed win, I played the hands all wrong, got too greedy, but how do you guys not get overzealous?

[Zonify]

Just wanna note, I don't play like such a dumbazz throughout the tournament, I just played like a dumbazz at the final 2.

[LA_Price]

Hand 1: you played fine but got unlucky

Hand 2: I'd be more in favor of a check call on the river. He's not exactly going to call you're 12,000 bet if he can't be top pair top kicker. Give him a chance to bluff at it if you are going to call.

Hand 3: Fold preflop. Regardless of whether or not he's "making a move" you have a crap hand. What do you hope to flop that he will call all-in with.

Hand 4: Fold on the turn. He very likely could have a flush draw and a made pair over your's. You were aggressive in trying to take the pot. Don't call your money away on a 6 high flush draw.

Hand 5: fold on the flop.