I have tried for months working with the dog and spent thousands on training and tools to try and train him out of his resource guarding issues with no success. It looks like I have very little choice except to have him go back to the rescue I got him from, as moving is out of the question with how much housing costs in my area (I live in a house a good friend owns and I'm paying under market rates right now), let alone even if I moved out I would have difficulty finding any roommates who would tolerate a dog which bites.
The dog has been a great companion and I love him, but having to let him go has made me feel absolutely horrible, and I feel the worst I have in years now.