TP2K, early on, OOP and 3-way

[PoBoy321]

I think I misplayed this whole hand, and I'm just not 100% sure where I went wrong

PokerStars No-Limit Hold'em Tourney, Big Blind is t30 (9 handed) FTR converter on zerodivide.cx

MP2 (t1550)
MP3 (t3670)
CO (t880)
Button (t1395)
SB (t1540)
BB (t2240)
Hero (t3495)
UTG+1 (t4215)
MP1 (t1680)

Preflop: Hero is UTG with A[img]/images/graemlins/club.gif[/img], Q[img]/images/graemlins/diamond.gif[/img].
<font color="#CC3333">Hero raises to t120</font>, <font color="#666666">1 fold</font>, MP1 calls t120, <font color="#666666">1 fold</font>, <font color="#CC3333">MP3 raises to t300</font>, <font color="#666666">4 folds</font>, Hero calls t180, MP1 calls t180.

Flop: (t945) 7[img]/images/graemlins/heart.gif[/img], A[img]/images/graemlins/diamond.gif[/img], 5[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">Hero bets t850</font>, MP1 calls t850, MP3 calls t850.

Turn: (t3495) K[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(3 players)</font>
Hero checks, MP1 checks, MP3 checks.

River: (t3495) T[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
Hero checks, <font color="#CC3333">MP1 bets t530 (All-In)</font>, MP3 folds, Hero calls t530.

Final Pot: t4555