Pouring it out is the best thing you can do tonight. I know you don't want to waste the money you spent on it nut if you really want to quit you are never going to need it again anyways.
We have all been in your shoes and we are all trying to hever have that first drink again. It isn't easy but it is worth it.
Come here for support. People here know what you are going through and want you to succeed and are here to listen, offer advice amd support you through the good and bad.
Good luck. If you really decide this is what you want you can do it.