[Closed] NL10 rush KK. Can I fold in this situation?

Hand converted with online PokerStrategy.com hand converter:

Porneşte mâna

$0.05/$0.1 No-Limit Hold'em (9 handed)

Known players:
[tg]BU$8.22:///////;SB$4.97:///////;BB (Hero)$10.15:///////;UTG1$7.85:///////;UTG2$10.00:///////;MP1$3.05:///////;MP2$9.07:///////;MP3$4.00:///////;CO$10.18:///////;[/tg]

Preflop: Hero is BB with K:c, K:s.
5 folds, CO calls $0.10, BU raises to $0.45, SB folds, Hero raises to $1.50, CO calls $1.40, BU raises to $8.22, Hero calls $6.72, CO raises to $10.18, Hero calls $1.93.

Flop: ($28.6) 7:s, J:d, 4:h (3 players)

Turn: ($28.6) 2:h (3 players)

River: ($28.6) 6:s (3 players)

Final Pot: $28.6.

Results follow:

Hero shows a pair of kings(Kc Ks).
BU shows a pair of aces(Ah Ac).
CO shows a pair of fives(5h 5s).

Hero wins with a pair of kings(Kc Ks).
BU wins with a pair of aces(Ah Ac).