55 in BB calldown on KQ23Q (SH)

as you figured out yourself, your equity is quite poor and especially on a Qx and Kx Flop your opponents do have a bunch of Qx and Kx in their range and if they don't they have a lot of outs with J9 JT AT AJ and those kind of hands. if you wanna proceed with this hand, you are better off by raising the flop and kick off a gutshot type of hand in UTG's hand or a better pocketpair like 66 77 88 he might have limped with. look at his stats. he does just openraise 4%. that means he's just openraising premiumhands and he'S got a range of almost 60%. his range should contain a lot of trash.

could your post your calculation that resulted in 20% Equity. i'd just fold this hand right away on the flop but as i said: BU might have a loose range he isolated UTG with and so you may attempt to take down the pot on the flop or with another turnbet by checkraising the flop and bet good turns and c/f T J A Turns. Call is really the worst option out of the 3 options you have. as played it's a call on the river since you speculated to face a runout like this, calling against some Ax, JT J9 type of hands T9s etc.

I put in utg as 60% and withdrew 4%, the button I put in as 24%. I retracted some hands from the default range and put in some others; total 24%. But I guess the default line here must be a fold then. Crap, I thought I discovered something in the pealing light department.

The buttons stats are kinda like mine, and a 24% range for opr there isnt even half my range for opening that button.

Something like this, round 55% and sometimes even wider depening on situation

22+, A2s+, K2s+, Q2s+, J3s+, T5s+, 96s+, 86s+, 75s+, 65s, 54s, 43s, A2o+, K5o+, Q6o+, J7o+, T7o+, 97o+, 87o

24% is kinda a HJ-range.

You have 25-26% eq on the flop here.

You may have 20-25% equity on this flop but you're NEVER realising it all

First off any 9-A you're probably folding if he bets

Secondly if you are ahead he can check behind the turn in position so you don't get max value for your hand.

Thirdly, if I continue I probably raise the flop as a standard protection raise because I want the UTG player to basically fold almost any 2 cards.