CO is pretty much an unknown, don't have many hands on him. All I saw is he called a 4bet with QQ and cracked kings, and his AF is 1 over 50 hands (still not great sample though). SB is a 40/0/1 donk.
I think the flop is standard, bet sizing ok though?
Turn, what's everyones play here and why? I think I did the right thing but I haven't played much recently so probably a bit rusty.
Ultimate Bet No-Limit Hold'em, $.50 BB (6 handed)
Hand History converter Courtesy of
PokerZion.com
CO ($184.60)
Button ($48.50)
SB ($31.85)
Hero ($50.75)
UTG ($55.40)
MP ($69.05)
Preflop: Hero is BB with

,

.
2 folds, CO calls $0.50,
1 fold, SB completes, Hero checks.
Flop: ($1.50)

,

,
(3 players)
SB bets $0.5,
Hero raises to $2.5, CO calls $2.50, SB folds.
Turn: ($7)
(2 players)
Hero ???