Just seeing this, not sure how I missed it but I am so sorry. Yes, blessed with nearly 16 yrs… but that's more years to leave a bigger hole in your heart.
well i also feel the similar thing i also need some one every day how walks with we so i have 2 basenji with both of thewm i every day goes ion walk , and they also take care of me.
take him in to the kennel for a weekend.
It will cost you some $$ but you will be able to see if he can "handle it" or you will have to get someone to move in and keep company with him.