UTG2 is playing 55/9... aka the range of hands he's raises with pre-flop is really really tight.
If you put this 9% in Equilator his range will be something like: 77+, A9s+, KQs, AJo+, KQo add to that the fact that he's terrible + you've got position + you're getting 24:1 implied odds to set mine with the dead money in the pot. All these factors combined lead to a pretty easy call, hope you hit a set and he can't get away from his top pair / overpair (99% sure he can't).
Even against an unknown or a TAG (or anyone in general really) this is a call. You need 20:1 (call20) to call for set value, actually 15:1 will do considering you're in position.