Welcome to A2K, Dogtrainer.
We had one puppy that chewed everything. He was not separated from his mother, since we owned her too. He was very active, high energy and tended to get bored. His mother would try to correct him (bark at him) when she saw him chewing on the leg of the chair or something she knew would get him in trouble. That usually led to him "wrestling" with her instead and biting at her legs.
My son would rough house with him, and he would "bite" but always playfully. I told him not to allow him to do that even playing, since dogs need to know who is boss and not have dominating behavior tolerated.
He eventually out grew the behavior. We tried spraying things we didn't want destroyed with the stinky stuff from the pet store. That didn't work. We tried redirecting him to one of his allowed toys. That didn't work. We crated him at night and when we were gone, which worked... until we got home and let him out.
We had to find him a new home when we moved. God, I miss that pup.