Wasn't sure if I was supposed to bet or check the turn OOP. Also, do we fold now?

PokerStars No-Limit Hold'em, $0.10 BB (9 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

CO ($24.85)
Button ($3.15)
SB ($9.70)
BB ($9.70)
UTG ($33.25)
Hero (UTG+1) ($11.45)
MP1 ($13.65)
MP2 ($10)
MP3 ($5.05)

Preflop: Hero is UTG+1 with Q, A
1 fold, Hero bets $0.30, 3 folds, CO calls $0.30, 3 folds

Flop: ($0.75) 6, 2, 5 (2 players)
Hero bets $0.40, CO calls $0.40

Turn: ($1.55) A (2 players)
Hero bets $0.80, CO raises to $1.90 Hero???