[bholdr]

your draw is great for a semi-bluff... N flush+ two pair + gutshot n str8 draw... but, given the action, i think you get very little fold equity here, so a flat call is probably best. Also, consider that he may also be semi-bluffing, and probably has a better hand at the moment, may have yer draws matched, too; you could be drawing for half the pot, and he may hold some of yer outs...

so it's a call, imo.

as for reads, i'd guess he had two of the following: A: a better two pair than you (KQ), B: a K flush draw, C: a broadway and/or wheel draw

also, as usual, bluffthis is right on, imo.