KK in small stake sng first found?

I have read some articles that say it is a mistake to fold KK preflop even
when you are pretty sure that you are up against AA.  I cannot remember
the reasons for not folding but i had this exact scenario happen to me.  I
did choose to push allin but only because there was gonna be another all
in with us(KK and AA). Heres how it went.

I am utg+1 with KhKd raise 3x to 60
folds to button re raise to 170
Sb rereraise to 710

at this point I know Sb has AA or maybe KK.....i have played b4 with both
Sb and button....Sb usually folds for the first 3 rounds and is a very
good player( i have seen him smooth call a re raise with QQ and play the
flop)......I also am pretty sure that the button will come along if i go
all in( button plays lots of hands so i put him on 99-QQ or big ace)

everybody has about 1500 chips
I think i should have folded and only been out 60 chips. I just had play
too many sng's with the Sb.

Is all in really the right move when you are sure that the other guy has
AA???

atte-d2

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