Help, Help, I'm Joseph Hachem!!!

Not enough hands with villain to have any reads.

I'm wondering if any of you go any more bets on the river? There is the boat possibility along with with the flush draw, but it seems more likely that villain has a lone 4. Thoughts?

PokerStars 0.50/1.00 Hold'em (6 handed) FTR converter on zerodivide.cx

Preflop: Hero is BB with 7[img]/images/graemlins/club.gif[/img], 3[img]/images/graemlins/heart.gif[/img].
<font color="#666666">1 fold</font>, MP calls, <font color="#666666">1 fold</font>, Button calls, SB completes, Hero checks.

Flop: (4 SB) 5[img]/images/graemlins/diamond.gif[/img], 4[img]/images/graemlins/diamond.gif[/img], 6[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(4 players)</font>
SB checks, <font color="#CC3333">Hero bets</font>, MP folds, Button calls, SB calls.

Turn: (3.50 BB) 4[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks, <font color="#CC3333">Hero bets</font>, <font color="#CC3333">Button raises</font>, SB folds, <font color="#CC3333">Hero 3-bets</font>, <font color="#CC3333">Button caps</font>, Hero calls.

River: (11.50 BB) J[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">Button bets</font>, Hero calls.

Final Pot: 13.50 BB