I have a lot of experience at limit but just started playing NL.

I was play in 1-2 game in Las Vegas. Seemed to be mostly tourists, but some were better than others.

Cut-off: middle age, $120 stack. Seems pretty normal for this game. Limps a lot but saw him raise AJ.

Small-Blind: young Asian guy, $85 stack. Plays on the wild side and has pushed all in several times. First time was with a flopped small set and he won. Another time was with flopped 2nd pair on a board that probably missed raisers range but he lost that one. There was one or two other shoves that were not called. His stack has been up and down and he bought in for another $100 recently.

I'm UTG with a stack of $190. My image should be pretty tight in this game if anyone is paying attention.

I have AKs and I raise to $8.

Folded around to CO, who raises to $45.

Button folds. SB shoves all in for $85. BB folds

My thoughts: the $45 raise from the CO was a large raise for this game. Don't think I had seen anyone raise this large. To me this means either he has AA/KK and he is trying to protect them or he has some semi-bluff hand and he wants to get heads up with me and steal the pot if I miss the flop. I didn't feel I understood this big raise very well.

If CO was trying to get heads up with me, SB messed that up by shoving. SB could have a big pocket pair too. I don't think he would do this with a total bluff, but not sure what his range would be.

Should I fold here? Should I shove all in? I could just call the SB all-in, but then the CO would probably shove too unless he is on a weak bluff.

I wouldn't overthink this spot too much. You have AKs in a 3-way spot against two bad players. CO is bad because he doesn't know how to size a 3-bet, and SB you already said is wild. You are 60bb effective, and have a hand that can profitably GII preflop at these depths. Just jam it in.

CO can have a typical 3-bet range of TT+/AQs+. SB sound like he might be willing to jam even lighter. There's a non-zero chance CO folds and gives you a nice overlay 3 ways against the wild small blind.

No brainer jam with AK, with a great overlay. Happily get it in here.