I think that he needs to be in therapy for both issues at the same time.
My AH does like more overt religion than I do. There is a church here that caters to people in recovery. They have AA, GA, OA, NA, family meetings and activities to steer people away from self-destructive behaviors, particularly on weekends evenings. The pastor is more able than some to counsel as he can draw on his personal experience as an alcoholic. And the congregation is certainly isn't as judgemental as you find at some churches.