Limping KK and comes back with a raise…re-raise or call (Low Limit)

[BKK Bang]

You limp early on with Ks. Someone puts in a 3-5 times BB raise. You are out of position and its HU. Where do you go from here? A push typically gets called at least 25% of the time regardless of what the other guy has (in low limit). I usually push because it gets sticky on the flop when an A comes and out of position. Thoughts on what’s more profitable?