Did I misplay this hand?

[Sidekick]

Poker Stars $5.00+$0.50 SnG.

This is the very first hand of the tournament and I don't have any notes on either of the other 2 players in the hand with me.

I reviewed my play here and I don't think I played this wrong, but it feels like I played it poorly. To me these are the trouble hands, where you don't see that you misplayed something, but you actually are misplaying the hand.

I suspsect this is a fairly common scenario for 2+2ers as well, so I thought it might be a useful hand for others as well.

Any comments on this hand are greatly appreciated.

PokerStars No-Limit Hold'em Tourney, Big Blind is t20 (9 handed) converter

Button (t1500)
SB (t1500)
BB (t1500)
UTG (t1500)
UTG+1 (t1500)
MP1 (t1500)
MP2 (t1500)
Hero (t1500)
CO (t1500)

Preflop: Hero is MP3 with K[img]/images/graemlins/club.gif[/img], A[img]/images/graemlins/club.gif[/img].
UTG folds, UTG+1 calls t20, MP1 folds, MP2 folds, <font color="#CC3333">Hero raises to t80</font>, CO folds, Button calls t80, SB folds, BB folds, UTG+1 calls t60.

Flop: (t270) 6[img]/images/graemlins/club.gif[/img], Q[img]/images/graemlins/heart.gif[/img], A[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">UTG+1 bets t40</font>, <font color="#CC3333">Hero raises to t320</font>, <font color="#CC3333">Button raises to t600</font>, UTG+1 calls t560, Hero calls t280.

Turn: (t2070) 4[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">UTG+1 bets t40</font>, Hero calls t40, <font color="#CC3333">Button raises to t820</font>, UTG+1 calls t780 (All-In), Hero folds.

River: (t3750) 3[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players, 1 all-in)</font>

Final Pot: t3750