10NL, KK faces raises by 2 villians

[vlow1210]

PokerStars No-Limit Hold'em, $0.10 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

UTG ($10)
MP ($17.65)
CO ($5.90)
Button ($11.70)
Hero ($11.30)
BB ($15.15)

Preflop: Hero is SB with K, K.
1 fold, MP raises to $0.2, CO raises to $0.5, 1 fold, Hero raises to $1.5, 1 fold, MP raises to $5.8, CO raises to $5.9, Hero calls $4.40, MP calls $0.09.

Flop: ($17.80) 2, Q, 5 (3 players)
Hero bets $5.4 (All-In), MP calls $5.40.

Turn: ($28.60) 6 (3 players, 1 all-in)

River: ($28.60) 6 (3 players, 1 all-in)

Final Pot: $28.60

I'm not really sure what I should have done... What would you do?