200NL: Passive donk is betting- what to do?

[HustlerLA]

Villain is running at 46/8/.63. My intention was to isolate him and take down pot. but he has bet every street. Do you like a call on river, or do you see value in the shove? Is there a fold on the turn?

Full Tilt Poker $1/$2 No Limit Hold'em - 6 players
Hand Converter Tool from DeucesCracked.com"]http://www.deucescracked.com/]DeucesCracked.com[/url][/url]
MP: $197.00
CO: $197.00
Button: $704.30
SB: $98.30
BB: $195.50
UTG: $183.80
Preflop: Hero is Button with 8[img]/images/graemlins/club.gif[/img], Q[img]/images/graemlins/club.gif[/img]
UTG calls $2, MP folds, CO folds, <font color="#FF0000">Hero raises to $9</font>, SB folds, BB folds, UTG calls $7.
Flop: ($21.00) 7[img]/images/graemlins/heart.gif[/img], 5[img]/images/graemlins/spade.gif[/img], 8[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#FF0000">UTG bets $21</font>, Hero calls $21.
Turn: ($63.00) J[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#FF0000">UTG bets $35</font>, Hero calls $35.
River: ($133.00) Q[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#FF0000">UTG bets $90</font>, <font color="#FF0000">Hero raises to $403