NL50 6max turn top two OOP

[nobosox]

I've only been at this table for maybe 10 hands at this point and villain has completed in the SB when folded to once, other than that he has folded everything.

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

BB: $32.85
Hero (UTG): $50.75
MP: $49.50
CO: $48.70
BTN: $56.50
SB: $50.25

Pre-Flop: Ac Qs dealt to Hero (UTG)
Hero raises to $2, MP raises to $5, 4 folds, Hero calls $3

Flop: ($10.75) Qh 4s 4d (2 Players)
Hero bets $8, MP raises to $20, Hero calls $12

Turn: ($50.75) As (2 Players)
Hero ??????

Comments on all streets appreciated and definitely thoughts on how to play the turn. Should I check to him hoping he'll bet out, stick it in? Still trying to learn cash, I usually play tournaments. Thanks.