I’m sorry for what you’re having to go through. You may find what you’re looking for at familiesanonymous.org. They do have an online meeting. I will copy/paste the link below. Best of success to you.
https://familiesanonymous.org
Home - Families Anonymous
FA is a 12 step fellowship for the family and friends of those individuals with drug, alcohol or related behavioral issues. We are here to help!