Some things cannot be fixed. I urge you to get a qualified behaviorist (veterinary) to evaluate him. If he is truly unstable, rehoming him is not fair to him or the new home.
URGENT-TX-Clifton-Red Male Basenji Mix-In City Pound
He was posted to the BRAT rescue group list. He is a 3 year old male Basenji mix who weighs 25 lbs. He was a stray and is in the Clifton City Pound. The volunteers from Bosque Animal Rescue Kennels-BARK are working hard to coordinate a permanent home for him. Please contact Amy Gray at firstname.lastname@example.org if you are interested in him.
Clifton TX is located 35 miles northwest of Waco.
Here is his Petfinder page: