Mmmh ... my first gut was that the runout and the action is a perfect spot for you to ship the river. But once you mentioned the dynamic/history between you both I came to the conclusion that he probably might have induced exactly that, meaning he´s likely never x/c the turn with the intention to fold on a blank river.

That said, with the given history you likely should´ve checked the turn, repping showdown value and then decide on the river.

I thought the same while i was playing the hand, the runout is perfect to ship. But now that i post this hand i realize that if i bet all my KQ i´d be exploitable.

What do you think of play a non-4bet-strategy against this kind of regs who tend to never believe me ?? Looks that i need QQ+ with a higher frecquency against them.

i like your river bet but i think a slightly smaller sizing might be more convincing. When we ship the river for nearly pot, we are basically saying we have a flush and only a flush. I think a smaller size would say we could have a lot more hands that we are trying to get light value from like 2pair type hands, overpairs like jj, and we also could credibly rep a flush as well with a smaller bet but with a bigger bet i think we are yelling at him "HEY I EITHER HAVE A FLUSH OR NOTHING". i like $264.

I think if he's super barrely, I'd want to start shoving turns vs him with a good mix of things. Barrely can mean a few things, and if he's barreling say repeats or idk like a 7c turn with Broadway Broadway hands, it seems like things are going to get sticky with floating KQ and then having to jam turns with very little equity when called (however probably have a lot of FE). 

I'm by any means not sure if that is going to be the best adjustment vs someone just betting a ton, but I don't think floating KQ and facing a dbl barrel a lot is going to be fun, although I understand he might be betting a Q or K turn 100% on turn and river.