Not a ton of hands on villian only a little over 100 his stats are 88/18/2.2.... So basically as long as he's dealt 4 cards he's in. Do you fold here or not believe him?

PokerStars Pot-Limit Omaha High, $0.25 BB (6 handed) from (Format: Bet The Pot)

CO ($10.75)
Hero ($25.40)
SB ($24)
BB ($18.45)
UTG ($14.85)
MP ($5)

Preflop: Hero is Button with , , , . MP posts a blind of $0.25.
1 fold, MP (poster) checks, CO calls $0.25, Hero raises to $1, 1 fold, BB calls $0.75, MP folds, CO calls $0.75.

Flop: ($3.35) , , (3 players)
BB checks, CO checks, Hero bets $3.2, BB folds, CO calls $3.20.

Turn: ($9.75) (2 players)
CO bets $6.55 (All-In), Hero folds.

Final Pot: $3.20