I'm folding pre 100% of the time. If they're folding often to small opens, I'll open smaller. But I'm never making a larger than pot-sized raise, when it's folded to me on the button with J5s.
On the flop I'm never calling.
If the turn is the 3c, and the Villain shoves, what are you doing, knowing the Villain could have AhKh or a set? If the turn is the 3h, and the Villain shoves, what are you doing, knowing the Villain could have AhKh or a set?
On the flop I'm never raising planning to fold.