Fold at any point?

[TGoldman]

Party Poker $100 PLO/8 (10 handed)

Villain and hero are fully stacked. Villain is 52 VPIP, 9.5 PFR, and 2.6 AF-Tot over the 21 hands we've played together so far.

Preflop: Hero is UTG with J[img]/images/graemlins/diamond.gif[/img], A[img]/images/graemlins/diamond.gif[/img], 4[img]/images/graemlins/heart.gif[/img], A[img]/images/graemlins/heart.gif[/img].
Hero calls, 2 limpers, villain limps, 1 more limper, SB folds, BB checks.

Flop: 7[img]/images/graemlins/diamond.gif[/img], K[img]/images/graemlins/club.gif[/img], 3[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(6 players)</font> ($6.50)
BB checks, Hero bets $6.50, 2 folds, villain calls, 1 fold, BB folds.

Turn: 6[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font> ($18.90)
Hero checks, villain bets $18.90, hero calls.

River: 3[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font> (Pot $54.90)
Hero checks, villain bets $54.90, Hero calls.