You are on the right track. But try spreading your bud on a flat plate and leaving it exposed for half a day.
Then back in the sealed jar for 12 hours. Give it more exposed time between burpings.
If the bud gets too crispy that is easy to fix. Easy way is to put some new, raw buds in with the crispy and seal for 20 minutes.
It doesn't take long for the moisture to spread out. If you don't have any new buds place a cup of hot water inside a large sealable
freezer bag along with the crispy. Few hours should do it. Check often.
Good luck, BigSteve.