3-bet the Turn with KK on a draw heavy board.

[Godson]

You don't know what to do because you didn't raise flop and now you're facing 2 bets cold on a turn where you have no idea what you're opponenents hold. Like joker said betting the flop for value is essential, but another key thing is it tells us alot more about our opponents hands, on the turn we can re-evaluate the action and it will be alot easier to make a decision at that time with the info you have gathered on the flop by raising.