FTP 750K KK vs AA

[Profish2285]

Not sure if this is standard or not as this is my first tourney with this high of a buy in. Pretty much the title says it all, second hand in villain and I both have initial stacks. I raise to 70, he min raises to 120 and I flat call. Flop comes 942r and I c/r his 150 to 500, he min raises me to 850 I think, and I push. Obviously I lost with KK to his AA, I just wanted to know if this is standard or if anyone can find a fold here? Villain is unknown and sorry for no converter, this is all from memory.