Nasty river spot, 5/10

[CWilly]

Villain is 25/13 over 500 hands and I have noticed that he is somewhat passive post flop.

PokerStars No-Limit Hold'em, $10 BB (9 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

UTG ($1000)
UTG+1 ($1056)
MP1 ($2138)
MP2 ($497)
MP3 ($917)
CO ($995)
Hero ($1104)
SB ($990)
BB ($2039)

Preflop: Hero is Button with K[img]/images/graemlins/heart.gif[/img], A[img]/images/graemlins/spade.gif[/img].
<font color="#666666">5 folds</font>, <font color="#CC3333">CO raises to $30</font>, Hero calls $30, <font color="#666666">2 folds</font>.

Flop: ($75) 8[img]/images/graemlins/heart.gif[/img], 4[img]/images/graemlins/heart.gif[/img], 2[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">CO bets $60</font>, <font color="#CC3333">Hero raises to $200</font>, CO calls $140.

Turn: ($475) Q[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
CO checks, Hero checks.

River: ($475) 3[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">CO bets $765 (All-In)</font>, Hero......?

So would you guys call or muck?