when they first turn crispy, usually have 12-24 more hours at least. Though you are in fairly low humidity, so it may be closer to 12h. The moisture takes longer to even out from center of buds after the moisture nearer the surface evaporates at a faster rate... so there's lag. Sealing doesn't draw it out, it just prevents moisture from leaving the surface as easily.
if you toss them in a sealed container, check back after a few hours and see if they turned soft on outside again.. if so, take them out for a few hours. Wait till it feels dry on outside and repeat... until it is no longer getting 'soft' after putting back into container. Commonly referred to as "sweating." You don't want wet nugs in a sealed container for any extended period of time.
The more consistent you keep your temps and rh, the more familiar you'll get with the process. you'll know based on size/density of buds how long it'll take before you start. I dry at