I am currently playing in NL5. I am referring to the pots where someone open limps from one of these positions: UTG- BTN and we just check the BB with a trash hand like 85o, J3o, T4o etc having to play a heads up pot. When the board is dry like A83r, K85r, T53r etc, should we bluff a ton of hands like we would do if the situation was a spot like opening in CO and getting a call and then cbetting with ton of air in a dry board in order to take the pot down? Btw we don't have any information on the limper. We know that he is almost sure a fish because he open limped but no more info than that.

I usually don't fight for these small pots because I hate those trash hands I have to play and which also have very little equity postflop when they don't hit sth. I don't know if the limper is going to take this bluff bet seriously. I say this because we didn't raise preflop in order for them to put us on some kind of overpair or an ace like AK in a A83r board. They might call much more in those spots thus not being exploitable anymore.

I started though bluffing a ton in those dry boards when I am in BB and I just check my BB when the SB open limps. I feel more comfortable here having position.