ak agaisnt check raise

Hand converted with online PokerStrategy.com hand converter:

ハンドをプレーする

$0.1/$0.25 No-Limit Hold'em (6 handed)

Known players:
[tg]MP2$18.66:///////;MP3$25.00:///////;CO$52.65:///////;BU (Hero)$25.70:///////;SB$25.54:///////;BB$25.00:///////;[/tg]

Preflop: Hero is BU with K:s, A:h.
MP2 calls $0.25, MP3 raises to $1.00, CO folds, Hero calls $1.00, 3 folds, 2 folds, MP2 folds.

Flop: ($2.6) 4:s, 9:h, 6:s (2 players)
MP3 bets $1.80, Hero calls $1.80.

Turn: ($6.2) K:c (2 players)
MP3 checks, Hero bets $3.00, MP3 raises to $8.50, Hero folds, MP3 gets uncalled bet back.

Final Pot: $9.2.

ＭＰ　３０５　hands 　vpip24 pfr18 ＰＦＲ from MP 　９　　wtsd19
flop AGG　２９　turn ３２　river １５　　　　fold to 3 bet 　７１　　call 　１４　　４ＢＥＴ　１４．３　　　flop CB　６１　turn ６３　　　　　　　　　　　　

turn fold is okey?