Raise/fold river top 2 pair

[Pharity]

I've only got a small sample on villain. 9/2/1 after 57 hands, this should mean very little.

Good or bad line? Please comment!

Party Poker 3/6 Hold'em (10 handed) internettexasholdem.com

Preflop: Hero is MP1 with Q[img]/images/graemlins/spade.gif[/img], A[img]/images/graemlins/spade.gif[/img].
<font color="#666666">3 folds</font>, <font color="#CC3333">Hero raises</font>, <font color="#666666">5 folds</font>, BB calls.

Flop: (4.33 SB) A[img]/images/graemlins/club.gif[/img], 7[img]/images/graemlins/heart.gif[/img], K[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">BB bets</font>, Hero calls.

Turn: (3.16 BB) K[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">BB bets</font>, Hero calls.

River: (5.16 BB) 2[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">BB bets</font>, <font color="#CC3333">Hero raises</font>, <font color="#CC3333">BB 3-bets</font>, Hero folds.

Call the raise perhaps, anyone?

Final Pot: 10.16 BB