Despite the addiction, it sounds like you two both love and appreciate each other. You are a team.
Reach out to him, and tell him what you need for support. Tell him you need him to not let you drink, not to support your every whim. He loves you and he doesn't want to fight so unless you give him permission to stop you from drinking even if you're grouchy with him at the time, he may be more likely to support you.
Is your husband interested in quitting? Are you comfortable asking him to quit with you? It will be easier doing this together. If not, you need to be very clear with what you need from him, and allow him to mentally prepare with how cranky/miserable you might be.