Check turn mid pair ?

[justgobroke]

Grabbed byHoldem Manager
Limit Holdem $1(BB) Replayer Game#1340314289

Hero ($165)
BB ($330)
UTG ($6.20)
CO ($29.62)
BTN ($98.50)

Dealt to Hero 4:spade: 5:club:

call, call, fold, call, check,

FLOP ($4) 3 9:club: 4:club:

Hero bets $1, BB folds, UTG folds, CO calls $1,

TURN ($6) 3 9:club: 4:club: 2

Hero bets $2, CO calls $2,

RIVER ($10) 3 9:club: 4:club: 2 7:club:

Hero bets $2, CO raises to $4, Hero calls $2,

Hero shows 4:spade: 5:club:
(Flop 21.0%, Turn 18.2%)

CO shows A:spade: A:club:
(Flop 79.0%, Turn 81.8%)

CO wins $17.10