Too aggressive on the river?

PokerStars 0.25/0.50 Hold'em (9 handed) FTR converter on zerodivide.cx

Preflop: Hero is SB with Q[img]/images/graemlins/club.gif[/img], A[img]/images/graemlins/heart.gif[/img].
<font color="#666666">4 folds</font>, MP3 calls, <font color="#666666">2 folds</font>, <font color="#CC3333">Hero raises</font>, <font color="#666666">1 fold</font>, MP3 calls.

Flop: (5 SB) K[img]/images/graemlins/heart.gif[/img], 3[img]/images/graemlins/spade.gif[/img], Q[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets</font>, MP3 calls.

Turn: (3.50 BB) 2[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets</font>, MP3 calls.

River: (5.50 BB) A[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets</font>, <font color="#CC3333">MP3 raises</font>, <font color="#CC3333">Hero 3-bets</font>, MP3 calls.

Final Pot: 11.50 BB

In the long run, am I just spewing here by 3-betting the river? It was extremely difficult for me to put the villain on anything that I wasn't ahead. Is this a standard 3 betting situation?

Looks fine to me. About the only reasonable hand you're behind is JT.

[DCWildcat]

Probably good. Need a read.