Push A9?

[PinataUT]

Push A9o

2 table tourney
hero: 4k
shorties: 2.5k each
middie: 7k
biggie: 10k

Biggie calls, I raise from bb 3x
Biggie calls
flop comes AQ7 - all clubs
I go all in thinking I am in front
Biggie calls with KT diamonds
hits T on turn
hits K on river

Was this a good spot to push at the big stack?

ITM was 4th

Noob stakes