50nl, I need exp with deep stack play

[ShipitFMA]

Okay, title says it all...I suck at deep stack play.

Okay, maybe its not that deep, but i always feel lost in spots like this vs a seemingly capabale opponant

Villian is 20 / 13 / 3.3 over 90 hands

What is your play here and reasoning behind it

Poker Stars, $0.25/$0.50 NL Hold'em Cash Game, 6 Players
LeggoPoker.com - Hand History Converter

BB: $55.75
Hero (UTG): $107.30
MP: $30
CO: $86.10
BTN: $36.40
SB: $51.55

MP posts $0.50
Pre-Flop: Q[img]/images/graemlins/spade.gif[/img] A[img]/images/graemlins/diamond.gif[/img] dealt to Hero (UTG)
<font color="red">Hero raises to $2.50</font>, MP folds, CO calls $2.50, 3 folds

Flop: ($6.25) Q[img]/images/graemlins/diamond.gif[/img] 5[img]/images/graemlins/spade.gif[/img] J[img]/images/graemlins/club.gif[/img] (2 Players)
<font color="red">Hero bets $4.25</font>, CO calls $4.25

Turn: ($14.75) 6[img]/images/graemlins/spade.gif[/img] (2 Players)
Hero ???????

I should probably add i bet like 11 in position and then re eval whether i bet the river or not (villian dependent)