I know that meditation in Judaism must be done the correct way to get the correct spiritual benefits.
Rabbi Gutman Locks has videos on this on youtube.
I do not know how meditation can help staying sober.
But I have found that MINDFULNESS has helped me.
When I get the urge to fall, I treat each urge like a cloud, a thought, which can be put in a "box" and will soon enough blow away on the wind.
Rather than something I have to act on.
There are a few articles which can be found from this link
www.psychologytoday.com/gb/blog/beyond-self-destructive-behavior/201601/mindfulness-in-the-treatment-self-destructive-behavior