bottom two vs a fish - min raised on the turn

[jj12]

He is 44/22/2 over 40 hands. One orbit ago I stacked him with AA vs KK in blind v. blind. I folded turn, but I thought that his timing was weird. He called flop v quick which didn't seem like a big hand to me. He quickly raised turn as well.

Full Tilt Poker
No Limit Hold'em Cash Game
$5/$10 Blinds
6 Players
LegoPoker HH Converter

<font color="black">Preflop:</font> Hero is dealt 8[img]/images/graemlins/heart.gif[/img] J[img]/images/graemlins/heart.gif[/img] (6 Players)
UTG folds, Hero raises to $35.00, CO calls $35.00, BTN folds, SB folds, BB folds

<font color="black">Flop:</font> ($85) 8[img]/images/graemlins/spade.gif[/img] Q[img]/images/graemlins/club.gif[/img] J[img]/images/graemlins/spade.gif[/img] (2 Players)
Hero bets $70.00, CO calls $70.00

<font color="black">Turn:</font> ($225) 4[img]/images/graemlins/heart.gif[/img] (2 Players)
Hero bets $190.00, CO raises to $500.00

Pot Size: $915.00

1k stacks