NL25: turnt TPTK but 3 flush cards

[von7thal]

PokerStars No-Limit Hold'em, $0.25 BB (6 handed) Poker Stars Converter Tool from FlopTurnRiver.com (Format: ITH Forums)

SB ($31.10)
BB ($34.50)
Hero ($25)
MP ($19.75)
CO ($3.35)
Button ($18.40)

Preflop: Hero is UTG with :ac, :kd.
Hero raises to $1, 2 folds, Button calls $1, 2 folds.

Flop: ($2.35) :9c, :2h, :7h (2 players)
Hero bets $1.75, Button calls $1.75.

Turn: ($5.85) :kh (2 players)
Hero bets $3.7, Button raises to $15.65, Hero folds.

Final Pot: $13.25

villain: 54.2/0/4.33 über 24 hände
line so ok?
würde im nachhinein turn etwa $4.1 bet/folden