big draw, very deep

I'm playing a live home game with $5/5 blinds and effective stacks of 2100 bucks. There's a bad limper to me, I raise to to 35 bucks on the button with black kings, and the best player at the table (tricky, reads hands well, etc) makes it 100 from the BB. Limper folds, I make it 300. I think he's better than me, and I have no problem taking this down preflop. He doesn't agree with this plan plan and calls. Flop comes down TJQ (all clubs). He leads out for 400. What's my plan?