Poker Do I have the right odds to call?

Hey guys new to cardschat this is first post. I want to settle an argument with a friend about what the right play is here wont say which side im on.

25nl holdem

Utg $21.00
Utg +1 $28.00
Co $22.00
Btn $32.00
Hero $31.00
BB $4.95

Utg raises to 75c
Co calls
Hero calls
BB goes all in $4.95
Utg calls
Co calls
Hero calls

Flop 9 7 2
Utg goes all in
Cutoff folds
Hero folds

Hero held 33 was he getting the right implied odds to hit a set to make this call? Please respond in detail.

Thanks guys☺

Source.