Bet/fold the river, and trips isn't calling on the river either. Here's how your hand should go down.
8-handed
converter
Preflop: Hero is MP2 with A[img]/images/graemlins/heart.gif[/img], A[img]/images/graemlins/club.gif[/img].
<font color="#666666">
3 folds</font>, <font color="#CC3333">Hero raises</font>, <font color="#666666">
1 fold</font>, Button calls, SB calls, BB calls.
Flop: (8 SB) J[img]/images/graemlins/spade.gif[/img], 4[img]/images/graemlins/spade.gif[/img], 7[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(4 players)</font>
SB checks, <font color="#CC3333">BB bets</font>, <font color="#CC3333">Hero raises</font>, Button folds, SB calls, BB calls.
Turn: (7 BB) J[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks, BB checks, <font color="#CC3333">Hero bets</font>, SB calls, BB calls.
River: (10 BB) 4[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks, BB checks, <font color="#CC3333">Hero bets</font>, SB folds, BB folds.
Final Pot: 11 BB