Empire Poker $10 SNG Hand for Analysis

[LordBP]

Party Poker No-Limit Hold'em Tourney, Big Blind is t15 (10 handed) converter

MP2 (t800)
MP3 (t800)
CO (t800)
Button (t800)
SB (t800)
BB (t800)
Hero (t800)
UTG+1 (t800)
UTG+2 (t800)
MP1 (t800)

Preflop: Hero is UTG with K[img]/images/graemlins/club.gif[/img], A[img]/images/graemlins/club.gif[/img].
<font color="#CC3333">Hero raises to t80</font>, <font color="#666666">3 folds</font>, <font color="#CC3333">MP2 raises to t145</font>, <font color="#666666">3 folds</font>, SB calls t135, <font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises to t800 (All-In)</font>, MP2 calls t655 (All-In), SB calls t655 (All-In).

Flop: (t2415) 2[img]/images/graemlins/diamond.gif[/img], J[img]/images/graemlins/spade.gif[/img], A[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players, 3 all-in)</font>

Turn: (t2415) 5[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(3 players, 3 all-in)</font>

River: (t2415) 9[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players, 3 all-in)</font>

Final Pot: t2415

Results in White:
<font color="white"> LordBP balance 2415, bet 800, collected 2415, net +1615 [ Kc Ac ] [ a pair of aces -- Ac,Ad,Kc,Js,9c ]
MP+2 Shows A pair of Tens
SB shows pair of Eights </font>


This was the very first hand. It's Saturday Night and really didn't think they had AA or KK cause they would have raised more. I figured I was at worst a coin flip and maybe they had AQ or something. Did I play this right? What would you do?