Big hand ($2/4) against total fish-- standard?

[Chancery]

I loved this hand preflop-- but really hated the flop. MP1 is a total fish at a 85.71 VPIP-- I still wonder if I should have called the river with two weak pair?

Absolute Poker
Limit Omaha Ring game
Limit: $2/$4
9 players
Converter

Pre-flop: (9 players) Hero is MP3 with 3[img]/images/graemlins/diamond.gif[/img] Q[img]/images/graemlins/diamond.gif[/img] A[img]/images/graemlins/heart.gif[/img] 2[img]/images/graemlins/heart.gif[/img]
2 folds, MP1 calls, MP2 folds, <font color="#cc0000">Hero raises</font>, 2 folds, SB calls, BB calls, MP1 calls.

Flop: J[img]/images/graemlins/club.gif[/img] K[img]/images/graemlins/club.gif[/img] A[img]/images/graemlins/diamond.gif[/img] (8SB, 4 players)
SB checks, <font color="#cc0000">BB bets</font>, MP1 calls, Hero calls, SB folds.

Turn: 5[img]/images/graemlins/heart.gif[/img] (5.5BB, 3 players)
<font color="#cc0000">BB bets</font>, <font color="#cc0000">MP1 raises</font>, Hero calls, BB calls.

River: 2[img]/images/graemlins/spade.gif[/img] (11.5BB, 3 players)
BB checks, <font color="#cc0000">MP1 bets</font>, Hero folds, BB folds.
Uncalled bets: 1BB returned to MP1.

Results:
Final pot: 11.5BB