AA again.. river play?

[riffraff]

Party Poker 1/2 Hold'em (9 handed) converter

Preflop: Hero is MP1 with A[img]/images/graemlins/heart.gif[/img], A[img]/images/graemlins/diamond.gif[/img]. MP3 posts a blind of $1.
<font color="#666666">1 fold</font>, UTG+1 calls, <font color="#CC3333">Hero raises</font>, <font color="#CC3333">MP2 3-bets</font>, <font color="#666666">5 folds</font>, UTG+1 folds, <font color="#CC3333">Hero caps</font>, MP2 calls.

Flop: (11.50 SB) Q[img]/images/graemlins/heart.gif[/img], 2[img]/images/graemlins/heart.gif[/img], J[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets</font>, <font color="#CC3333">MP2 raises</font>, <font color="#CC3333">Hero 3-bets</font>, <font color="#CC3333">MP2 caps</font>, Hero calls.

Turn: (9.75 BB) T[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">MP2 bets</font>, Hero calls.

River: (11.75 BB) 8[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">MP2 bets</font> Hero...?

I don't like making big laydowns at the river for 1 bet.. but is it obvious my hand is no good? Maybe he has KK? lol