10-20 NL Aces

[sizeup]

Bellagio 10-20. I (3000) raise to 100 UTG with AdAx, solid (covers) calls, loose (covers) calls, button (1000) calls. 4 to the flop, 430 in the pot.
Flop Kd9d4x, I lead for 500, solid raises to 1000, others fold, I ???