Continuation bet retardé

Je poste cette main pour savoir si mon continuation bet retardé turn + arrachage pot river est bon face à un tel vilain dans ce spot

Vilain : ( $97.98 USD ) - VPIP: 29, PFR: 9, 3B: 3, AF: 0.9, Hands: 68

Hand converted with online PokerStrategy.com hand converter:

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$0.25/$0.5 No-Limit Hold'em (5 handed)

Known players:
[tg]SB$97.98:///////;BB$77.17:///////;MP3$56.95:///////;CO (Hero)$56.31:///////;BU$49.98:///////;[/tg]

Preflop: Hero is CO with A:d, 2:d.
MP3 folds, Hero raises to $1.50, BU folds, SB calls $1.25, BB calls $1.00.

Flop: ($4.5) 6:s, J:s, 7:h (3 players)
SB checks, BB checks, Hero checks.

Turn: ($4.5) K:c (3 players)
SB checks, BB checks, Hero bets $3.50, SB calls $3.50, BB folds.

River: ($11.5) 6:h (2 players)
SB checks, Hero bets $8.75, SB folds, Hero gets uncalled bet back.

Final Pot: $11.5.