[Closed] KK - All-in preflop

Hand converted with online PokerStrategy.com hand converter:

Play hand

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

Known players:
[tg]MP1$6.07:///////;MP2$1.86:///////;MP3$2.12:///////;CO$2.07:///////;BU (Hero)$4.98:///////;SB$1.93:///////;BB$1.86:///////;UTG1$6.81:///////;UTG2$4.63:///////;[/tg]

Preflop: Hero is BU with K:s, K:c.
2 folds, MP1 raises to $0.20, 3 folds, Hero raises to $0.60, 2 folds, MP1 raises to $2.00, Hero raises to $4.07, MP1 raises to $6.27, Hero calls $0.91.

Flop: ($11.12) 2:c, 7:s, 6:h (2 players)

Turn: ($11.12) 6:d (2 players)

River: ($11.12) 7:d (2 players)

Final Pot: $11.12.
Results follow:

MP1 shows two pairs, aces and sevens(A:c A:h).
Hero shows two pairs, kings and sevens(K:s K:c).

MP1 wins with two pairs, aces and sevens(A:c A:h).

Is it okay to go All-in like this pre-flop with kings ?