[Closed] NL 25 KK facing aggresion

Hand converted with online PokerStrategy.com hand converter:

Play hand

$0.1/$0.25 No-Limit Hold'em (5 handed)

Known players:
[tg]SB (Hero)$25.46:///////;BB$11.54:///////;MP3$35.94:///////;CO$26.71:///////;BU$25.00:///////;[/tg]

Preflop: Hero is SB with K:s, K:h.
MP3 folds, CO calls $0.25, BU folds, Hero raises to $1.50, BB folds, CO calls $1.25.

Flop: ($3.25) 9:s, 4:h, 2:d (2 players)
Hero bets $1.75, CO raises to $3.50, Hero calls $1.75.

Turn: ($10.25) 7:d (2 players)
Hero checks, CO bets $9.74, Hero calls $9.74.

River: ($29.73) T:c (2 players)
Hero checks, CO raises to $11.97(All-In), Hero calls $10.72.

Final Pot: $52.42.

CO is 59/5/2/25

Is this played correctly? Inducing bluffs on a raggy board or is it overplayed?