NL50 - Overpair gets raised on turn on drawy board, 200bbs deep

[bazooka87]

Villain running at 67/9/1 over about 100 hands, pretty aggro post flop. No idea where I am here and have no idea where to go, thoughts?
In hindsight I have to bet way more on this turn, something around $12ish?

PokerStars No-Limit Hold'em, $0.50 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

CO ($142.90)
Button ($11)
Hero ($106.55)
BB ($49.05)
UTG ($125.50)
MP ($107.80)

Preflop: Hero is SB with T[img]/images/graemlins/club.gif[/img], T[img]/images/graemlins/heart.gif[/img].
<font color="#666666">1 fold</font>, MP calls $0.50, <font color="#666666">2 folds</font>, <font color="#CC3333">Hero raises to $3</font>, <font color="#666666">1 fold</font>, MP calls $2.50.

Flop: ($6.50) 3[img]/images/graemlins/heart.gif[/img], 2[img]/images/graemlins/club.gif[/img], 7[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $4</font>, MP calls $4.

Turn: ($14.50) 4[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $8</font>, <font color="#CC3333">MP raises to $16</font>