Opening 55 UTG is fine, but calling the 3-bet is too loose at this depth; once we get here, flop call and turn fold are both very reasonable.
Flop Analysis
Facing the small flop c-bet, calling with third pair is correct; we have enough equity versus a polarized range and excellent price to continue once we’ve reached this node.
**Ranges:** BB’s range is polarized to strong overpairs/top pair and bluffs, while our UTG range includes some stronger pairs and Tx but also many unpaired overcards; third pair sits in the lower-middle of our continuing region.
**Math:** We’re getting about 3.3:1, needing ~23% equity, while our hand has materially more than that versus a c-bet range that includes air and overcards which can shut down later.
**Plan:** Call once and reassess on turns; many bad overcard turns push us toward folding, whereas low/brick turns allow us to continue selectively but not go broke with a bluff-catcher.
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> **Takeaway:** Once we do call preflop, third pair plus strong pot odds vs a small flop c-bet should usually continue at least one street.
Turn Analysis
Folding turn versus a big second barrel on the paired board is very reasonable; our hand is near the bottom of our range, and SPR is now shallow enough that continuing gets us into ugly river spots.
**Ranges:** The paired low card increases BB’s advantage: overpairs and Tx remain very strong, some bluffs improve to draws, and our third pair rarely improves meaningfully while we still lose to almost all made value (8x, Tx, overpairs, trips, boats).
**Math:** We’re getting 2.5:1 (need ~28.6% equity) with SPR <2 if we call; although solver is indifferent for this combo and mixes between calling and folding, giving up with a weak bluff-catcher is fully acceptable.
**Plan:** In theory we defend with stronger bluff-catchers (Tx, 8x, some A-high with backdoors) and fold this tier; by folding, we avoid over-defending and cap our losses when the pot is already large relative to stacks.
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> **Takeaway:** At low SPR facing a big turn barrel and holding one of our weakest bluff-catchers, folding is fine even when pot odds look tempting.