NL20 TT overpair, turn action given stack sizes?

[HonteleJ]

villain is 22.8/8.7/1.1 over 483 hands.

Prima Network No-Limit Hold'em, $0.20 BB (6 handed) Hand History converter Courtesy of PokerZion.com

CO ($17.38)
Button ($19.42)
SB ($25.35)
Hero ($19.70)
UTG ($27.52)
MP ($18.70)

Preflop: Hero is BB with T[img]/images/graemlins/diamond.gif[/img], T[img]/images/graemlins/heart.gif[/img].
UTG calls $0.20, MP calls $0.20, <font color="Red">CO raises to $0.4</font>, <font color="Gray">2 folds</font>, <font color="Red">Hero raises to $1.6</font>, UTG calls $1.40, MP folds, CO calls $1.20.

Flop: ($5.10) 7[img]/images/graemlins/diamond.gif[/img], 4[img]/images/graemlins/diamond.gif[/img], 2[img]/images/graemlins/club.gif[/img] <font color="Blue">(3 players)</font>
<font color="Red">Hero bets $3.5</font>, UTG folds, CO calls $3.50.

Turn: ($12.10) 2[img]/images/graemlins/heart.gif[/img] <font color="Blue">(2 players)</font>
<font color="Red">Hero?</font> (villain has pot sized bet left)