PP vs calling station bet the river?

[Schizo]

Villian is 82% VPIP over 22 hands

Party Poker 3/6 Hold'em (10 handed) converter

Preflop: Hero is MP3 with 5[img]/images/graemlins/diamond.gif[/img], 5[img]/images/graemlins/heart.gif[/img].
<font color="#666666">3 folds</font>, MP1 calls, <font color="#666666">1 fold</font>, Hero calls, CO calls, Button calls, SB completes, BB checks.

Flop: (6 SB) 8[img]/images/graemlins/club.gif[/img], 7[img]/images/graemlins/diamond.gif[/img], 7[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(6 players)</font>
SB checks, BB checks, MP1 checks, <font color="#CC3333">Hero bets</font>, CO folds, Button folds, SB folds, BB folds, MP1 calls.

Turn: (4 BB) 2[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
MP1 checks, <font color="#CC3333">Hero bets</font>, MP1 calls.

River: (6 BB) J[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
MP1 checks, Hero.....