nl100 flop trips in blind vs blind..

[Brimstead]

no reads on villain, but everytime i raise he seems to be in the hand and he never folds to cbets

Poker Stars, $0.50/$1 NL Hold'em Cash Game, 8 Players
LeggoPoker.com - Hand History Converter

BTN: $98.50
Hero (SB): $94.60
BB: $231.70
UTG: $47.15
UTG+1: $156.30
MP1: $104.45
MP2: $85.50
CO: $120.85

Pre-Flop: 9[img]/images/graemlins/spade.gif[/img] K[img]/images/graemlins/spade.gif[/img] dealt to Hero (SB)
6 folds, <font color="red">Hero raises to $4</font>, BB calls $3

Flop: ($8) K[img]/images/graemlins/diamond.gif[/img] A[img]/images/graemlins/heart.gif[/img] K[img]/images/graemlins/club.gif[/img] (2 Players)
<font color="red">Hero bets $5</font>, BB calls $5

Turn: ($18) 2[img]/images/graemlins/heart.gif[/img] (2 Players)
Hero checks, <font color="red">BB bets $18</font>, <font color="red">Hero raises to $50</font>, <font color="red">BB raises to $82</font>, <font color="red">Hero raises to $85.60 and is All-In</font>, BB calls $3.60

River: ($189.20) 5[img]/images/graemlins/heart.gif[/img] (2 Players - 1 is All-In)

how's my line here? should i consider a fold after he 3bets on the turn? i feel ive committed by that point...