Problem on the turn

[Stevo]

With 4 limpers ahead of me, I decide to play the 2-3-K-Q double suited from the button. The flop comes down:

K-K-3 two suits that aren't mine.

SB bets, BB calls, one limper calls, it gets back to me, where I call. Turn is:

5 to complete the flush.

Bet and 2 raises back to me. Should I lay down my Kings full of 3s?