OK this was a bit of an odd one. It's the BB's very first hand. Button is 24/20/10 over a few thousand hands. Loves to 3 bet but typically plays fit or fold and pretty straight forward in 3 bet pots especially multiway. My thoughts were I certainly can have hands like KQs, 99, 67, 78s here, and I block AK. Thoughts on the whole hand are appreciated, thanks.
Hero (CO): 100 BB
BTN: 108.6 BB
SB: 212.18 BB
BB: 100 BB
SB posts SB 0.5 BB, BB posts BB 1 BB
Pre Flop: (pot: 1.5 BB) Hero has 2
A
Hero raises to 2.5 BB,
BTN raises to 9 BB,
fold, BB calls 8 BB,
Hero calls 6.5 BB
Flop: (27.5 BB, 3 players) 7
K
7
BB checks,
Hero checks, BTN checks
Turn: (27.5 BB, 3 players) 9
BB checks,
Hero bets 20 BB, BTN calls 20 BB,
fold
River: (67.5 BB, 2 players) 8
Hero bets 71 BB and is all-in