Tough Multiway flop OOP, some help?

[LLKOOLK1]

Blinds 20/40, 2nd level with no real reads.

MP2(1850) raises to 120, Button(1300) calls
Hero(1600) calls in the SB with K [img]/images/graemlins/diamond.gif[/img]Q [img]/images/graemlins/club.gif[/img]
BB(1400) calls also

Flop: K [img]/images/graemlins/club.gif[/img]J [img]/images/graemlins/club.gif[/img]10 [img]/images/graemlins/club.gif[/img]

POT=480
What would your play be here against 3 unknown players early in 17K gntd tourney?(maybe that will helop with an idea of what kind of competition your up against)

Would you lead the flop where do you think you are aginst the 3 other possible hands?
-LL