JJ multiway, overpair, OOP, paired flop - NL100

[Benholio]

PFR'r is average/standard 29/7. Villain is 50/11/2 and loose post-flop. I have $110, villain covers. I am dealt J[img]/images/graemlins/heart.gif[/img] J[img]/images/graemlins/diamond.gif[/img] in the SB.

PRE-FLOP
MP1 calls $1, MP2 bets $4.50, villain calls $4.50, CO calls $4.50, Button folds, Hero calls $4, BB folds, MP1 calls $3.50.

FLOP $23 [8[img]/images/graemlins/diamond.gif[/img],3[img]/images/graemlins/diamond.gif[/img],8[img]/images/graemlins/heart.gif[/img]]
Hero bets $12, 2 folds, villain calls $12, 1 fold.

TURN $47 [8[img]/images/graemlins/diamond.gif[/img],3[img]/images/graemlins/diamond.gif[/img],8[img]/images/graemlins/heart.gif[/img],4[img]/images/graemlins/heart.gif[/img]]
Hero checks, Villain bets $12, Hero calls $12.

RIVER $71 [8[img]/images/graemlins/diamond.gif[/img],3[img]/images/graemlins/diamond.gif[/img],8[img]/images/graemlins/heart.gif[/img],4[img]/images/graemlins/heart.gif[/img],10[img]/images/graemlins/spade.gif[/img]]
Hero checks, Villain bets $30, Hero calls $30.

My plan on the flop was to fold to any raise, particularly from the PFR. Now I got called by the loose guy at the table and I'm not sure what to do on the turn and river. During the hand, I felt betting or raising only helped against a draw, and would get no value from hands i'm beating and get no hands that beat me to fold. Anyone suggest a real line other than my clueless c/c'ing?