AA--too aggro on river?

[nickg1532]

I don't have much of a read on villain, but he hasn't done anything unreasonable since he sat down (about an orbit ago). Was I too agressive here? I think this is ok, but I haven't played all that much in the last couple months and feel pretty rusty.

PokerStars 2/4 Hold'em (9 handed) FTR converter on zerodivide.cx

Preflop: Hero is BB with A[img]/images/graemlins/diamond.gif[/img], A[img]/images/graemlins/heart.gif[/img]. MP2 posts a blind of $2.
<font color="#666666">1 fold</font>, <font color="#CC3333">UTG+1 raises</font>, <font color="#666666">4 folds</font>, Button calls, <font color="#666666">1 fold</font>, <font color="#CC3333">Hero 3-bets</font>, UTG+1 calls, Button calls.

Flop: (10.50 SB) 8[img]/images/graemlins/diamond.gif[/img], 3[img]/images/graemlins/diamond.gif[/img], 8[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">Hero bets</font>, UTG+1 calls, Button calls.

Turn: (6.75 BB) 2[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">Hero bets</font>, <font color="#CC3333">UTG+1 raises</font>, Button folds, Hero calls.

River: (10.75 BB) 9[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets</font>, <font color="#CC3333">UTG+1 raises</font>, <font color="#CC3333">Hero 3-bets</font>, <font color="#CC3333">UTG+1 caps</font>, Hero calls.

Final Pot: 18.75 BB