Reading a mega-fish

[Agthorr]

Pacific Poker $0.50/$1. The hand converter doesn't like it. Sorry for ugliness.

Total number of players : 9

Villan is a megafish. 77%/3%/0.20. WTSD 33%.

Hero is CO with A[img]/images/graemlins/club.gif[/img] Q[img]/images/graemlins/spade.gif[/img].

SB posts, BB posts, Hero posts, UTG calls, Villan calls, 1 fold, MP1 calls, 1 fold, Hero raises, Button reraises, 3 folds, Villan calls, 1 fold, Hero calls.

13 SB pot, 3 players.
Flop: A[img]/images/graemlins/diamond.gif[/img] 3[img]/images/graemlins/club.gif[/img] 6[img]/images/graemlins/club.gif[/img]
Villan bets, Hero raises, Button folds, Villan calls.

8.5 BB pot, 2 players.
Turn: 9[img]/images/graemlins/spade.gif[/img]
Villan bets, Hero...

Do I raise again for value, or just call down? Should I be nervous that my raise didn't make him nervous? He's still betting out.