You just 4b jam and hands like AK (with tight ranges) or AQ/22-99 (with loose ranges) are your bluffs; bluffs in the sense they are not ahead when called and prefer a fold, not necessarily in the sense that better hands fold
His call turn + fold river hands almost all have a heart, so that's important not to block
Although it's true that his river call hands will also have a heart, which you do want to block
I think the first effect is bigger here, but could be wrong
the screenshots are quite comprehensive, maybe you can cut them down to this size:
Anyway looks like turn usually check is good. Would like to try a range where IP has mostly pockets, like AQs AJs KQs QQ-66
Line is good. River is check for sure with flush, 3 straights and a bunch of 2pair possible. Maybe you can minbet the river, if you think he wouldn't check strong.. like 5bb? I think I like that, he's unlikely to check KJ+ there I believe. Maybe some…
Generally check flop, 9x has some showdownvalue of course, and the flop bet on it's own is pretty bad (nothing better folds, low EQ when called).
But you want some 9x in your flop betting range to have a balanced betting range (and not 9x heavy check…
Heavily depends on his preflop range, like if he has mostly pp (you want to jam) or if he has mostly suited stuff (you want to check). Against a mix of both.. not super clear.
Possible for him to turn some 99 or 8x into bluff as well when you check (as…