HCA: Hermit Crab Association

So In my first tank (10g) I set up the substrate bad and there’s wood chips on top on one end, about 2 inches of wood chips :/ There’s a crab that’s been buried in those wood chips for about a week now, I think he’s molting. I was just going to throw away all the wood chips when I found him. What should I do? I heard digging in wood chips can be bad for them, and I didn’t think he would go on that end to molt. There’s only like 2 inches of actual substrate there. I honestly have no idea why I put that many wood chips. I’ve been cleaning then out around the area where Houdini is. Should I let him finish his molt? He’s a big crab so I don’t think he’ll come up for a while

Are there any other crabs in tank with them? If so, this crab should be isolated from them, as he does not have the protection of being underground while he molts.

No I have my other 2 in the new tank. So he’s isolated. I covered him up with the wood chips and leaned a pice of cork wood against the wall so it darkened his area.

I wouldn't cover him with wood chips, but making it dark is a good plan.