[Closed] NL5 RUSH KK vs 9Ts

Could I have played differently, perhaps just called opponents raise and folded if another spade came?

Hand converted with online PokerStrategy.com hand converter:

Play hand

$0.02/$0.05 No-Limit Hold'em (9 handed)

Known players:
[tg]UTG1$1.89:///////;UTG2$4.80:///////;MP1$5.00:///////;MP2 (Hero)$9.76:///////;MP3$1.93:///////;CO$1.83:///////;BU$4.74:///////;SB$5.00:///////;BB$1.64:///////;[/tg]

Preflop: Hero is MP2 with K:s, K:h.
3 folds, Hero raises to $0.17, 2 folds, BU calls $0.17, 2 folds, BB folds.

Flop: ($0.41) 4:s, J:s, 9:h (2 players)
Hero bets $0.41, BU raises to $1.64, Hero raises to $9.59, BU calls $2.93.

Turn: ($14.57) 5:c (2 players)

River: ($14.57) 9:c (2 players)

Final Pot: $14.57.
Results follow:

Hero shows two pairs, kings and nines(K:s K:h).
BU shows three of a kind, nines(9:s T:s).

BU wins with three of a kind, nines(9:s T:s).