2 pair river call?

[Burnsabre]

Villain is 85/10/.6 over 40 hands. Haven't been paying enough attention because too many tables but I assume hes pretty bad.

Limit Holdem Ring game
Limit: $5/$10
5 players
Converter

Pre-flop: (5 players) Hero is BB with 7[img]/images/graemlins/diamond.gif[/img] 8[img]/images/graemlins/diamond.gif[/img]
UTG folds, CO calls, <font color="#cc0000">Button raises</font>, SB calls, Hero calls, CO calls.

Flop: 3[img]/images/graemlins/club.gif[/img] 7[img]/images/graemlins/heart.gif[/img] 8[img]/images/graemlins/heart.gif[/img] (8SB, 4 players)
SB checks, Hero checks, <font color="#cc0000">CO bets</font>, Button folds, SB calls, <font color="#cc0000">Hero raises</font>, CO calls, SB folds.

Turn: A[img]/images/graemlins/diamond.gif[/img] (6.5BB, 2 players)
<font color="#cc0000">Hero bets</font>, CO calls.

River: 3[img]/images/graemlins/spade.gif[/img] (8.5BB, 2 players)
<font color="#cc0000">Hero bets</font>, <font color="#cc0000">CO raises</font>, Hero calls?