NL50: Deep preflop AK vs sqz vs push

En 25k manos:

21/18, 3bet 6, sqz 6, fold to 3bet 68, fold to 4bet 65, 4bet 10, 4bet range 1.8

Grabbed by Holdem Manager

NL Holdem $0.50(BB) Replayer

SB ($111)

BB ($71.13)

Hero ($76.24)

UTG+1 ($28.36)

CO ($50.50)

BTN ($76.57)

Dealt to Hero A:heart: K:club:

Hero raises to $1.25, UTG+1 calls $1.25, fold, fold, SB raises to $5.50, fold, Hero raises to $15, fold, SB raises to $111 (AI), Hero?