100NL 2 pair on drawy board against nit

[Indomitus]

Villain has quite nitty stats 18/11 in 200 hands.The guy that called my bet is fish-calls with any piece of it.
Well i put villain either on top pair or a set.Do u think my line here is good?

No-Limit Texas Hold'em (NL100), $1.00 BB (6 handed)

MP3 ($115.2)
CO ($104.9)
Button ($105.1)
SB ($101.4)
Hero ($149.45)
MP2 ($131.95)

SB: Post SB $0.50
Hero: Post BB $1.00

Preflop:
Hero is BB with 8[img]/images/graemlins/spade.gif[/img], T[img]/images/graemlins/heart.gif[/img]
MP2 Call $1
MP3 Call $1
CO Call $1
<font color="#666666">2 folds</font>
Hero Check

Flop:($4.5) 8[img]/images/graemlins/club.gif[/img], T[img]/images/graemlins/club.gif[/img], 6[img]/images/graemlins/heart.gif[/img]<font color="#0030DD">(4 players)</font>
Hero Bet $4
<font color="#666666">1 folds</font>
MP3 Call $4
CO Raise $19
Hero Call $15
<font color="#666666">1 folds</font>

Turn:($46.5) 5[img]/images/graemlins/diamond.gif[/img]<font color="#0030DD">(2 players)</font>
Hero Bet $30
CO Raise $84.9
<font color="#666666">1 folds</font>