I'm not sure if this is the best way but if it helps I've started to treat it like hitting top pair top kicker (TPTK) in order to avoid losing a big pot.
My theory is, when you really think about it, it is basically the same hand as TPTK because your opponent has you beat with all of the same things if they are raising you back on later streets.
Just ask yourself before you slow play, would you do this with TPTK? Or even if you bet the pot with it, would you do that with TPTK? And when you get re-raised on a later street, would you call with TPTK? The answer may be still yes in all of the situations, just not against every type of opponent.