Fold on the river?

[Lefort]

$10/$20 game, loose table.. I've hit a cold wave of cards and generally getting bored so when its folded to me in MP with A[img]/images/graemlins/club.gif[/img]4[img]/images/graemlins/club.gif[/img] I raise. CO and BUTTON call, BB calls.

Flop A[img]/images/graemlins/diamond.gif[/img]J[img]/images/graemlins/diamond.gif[/img]5[img]/images/graemlins/club.gif[/img]

I bet, LP1 and LP2 call, BB folds.

Turn 9[img]/images/graemlins/spade.gif[/img]

I bet, call call.

River 10[img]/images/graemlins/diamond.gif[/img]

I check, LP1 bets, LP2 calls...Hero (??)

[Klepton]

cry, then call