Flatted AA here because both villains in the blinds had huge 3 bet %s and I wanted to backraise. On the turn, villain's bet sizing looks to me like he is really trying to charge draws, which at the same time means he has some type of hand (KQ is most likely I think). Knowing that my AA isn't good on the river a good amount of the time, I'm wondering if it would be optimal to shove river to rep the flush without any reads.

Villain is a 15/11 reg, no particular reads.

"On the turn, villain's bet sizing looks to me like he is really trying to charge draws, which at the same time means he has some type of hand (KQ is most likely I think)"

Ok, if thats your read:
What is your plan on a none spade?

If u got the read he has qk at least (has to be a a good read) im folding turn because if i call turn i will call almost all rivers.

vs unknown Im happily betting the river for value.

Maby i explain it a bit unclear, but I'm wondering why we call the turn to only be able to bluff a river spade? So what to do on non spade (With AA)

why KQ , not AK KJ AT JT possible?

They are all possible, but I have blockers to AK, and AT, JT, and KJ or busted diamond draws are probably folding to a river bet. So I feel that worse hands aren't calling me on the river (and I will probably be good a lot of the time if I check back). However, I thought I might be able to bluff off better hands by shoving.

Jante, I meant that combinatorically (sp?), KQ is the most likely.