4bet this river?

[tongni]

Opponent is pretty loose and aggressive, there had been a lot of stealing-restealing going on between us. I felt that he was weak, but is it worth the last 2 BB on the river?

Party Poker 20/40 Hold'em (4 handed) converter

Preflop: Hero is BB with 6[img]/images/graemlins/heart.gif[/img], 2[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">2 folds</font>, SB completes, Hero checks.

Flop: (2 SB) 5[img]/images/graemlins/heart.gif[/img], 4[img]/images/graemlins/heart.gif[/img], A[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
SB checks, <font color="#CC3333">Hero bets</font>, <font color="#CC3333">SB raises</font>, Hero calls.

Turn: (3 BB) 4[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">SB bets</font>, Hero calls.

River: (5 BB) A[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">SB bets</font>, <font color="#CC3333">Hero raises</font>, <font color="#CC3333">SB 3-bets</font>, <font color="#CC3333">Hero caps</font>, SB folds.

Final Pot: 12 BB