Check with neighbors. Someone may have seen him. Ask them to check their garages and sheds. He may have wandered in and got trapped. Put up posters and check local shelters daily. Try to go in person. Employees can’t remember every animal. Check online sites for lost, found and animals for sale. KSL, Craig’s list
Put her bedding outside. And an unwashed item of clothing. Dogs can smell a familiar scent from a long way. Find someone w/ a drone to search the area. Form a search party. Go to the shelter in person. Hope you find her soon.