NL200: Big Slick OOP vs. A Donkey, Whats The Best Line Here?

[hielo_uno]

I only have 65 hands on the villain, but he is obviously really bad. He runs 54/10/4. I just feel really lost in this hand, because villain can have almost anything here. Against a reg, i would make a easy fold. But in this situation, is folding to nitty?

Full Tilt Poker, $1/$2 NL Hold'em Cash Game, 9 Players
LegoPoker Hand History Converter

CO: $197
BTN: $44
SB: $51.05
BB: $81.35
Hero (UTG): $223
UTG+1: $206.20
UTG+2: $202.25
MP1: $200
MP2: $447.60

Pre-Flop: A[img]/images/graemlins/spade.gif[/img] K[img]/images/graemlins/diamond.gif[/img] A[img]/images/graemlins/spade.gif[/img] K[img]/images/graemlins/diamond.gif[/img] dealt to Hero (UTG)
<font color="red">Hero raises to $8</font>, UTG+1 calls $8, 2 folds, MP2 calls $8, 4 folds

Flop: ($27) J[img]/images/graemlins/club.gif[/img] 8[img]/images/graemlins/heart.gif[/img] A[img]/images/graemlins/heart.gif[/img] (3 Players)
<font color="red">Hero bets $18</font>, UTG+1 folds, MP2 calls $18

Turn: ($63) T[img]/images/graemlins/club.gif[/img] (2 Players)
Hero checks, <font color="red">MP2 bets $30</font>, Hero calls $30

River: ($123) T[img]/images/graemlins/heart.gif[/img] (2 Players)
Hero checks, <font color="red">MP2 bets $90</font>, Hero ??