It's good that you have a job interview, YoungHyde.
Drop the alcohol and all illegal drugs, however, or you may have some very big problems. Those mandated DUI treatment programs usually do random drug and alcohol tests. They may have been lenient on a first offense, but they are often very harsh with non-compliance.
You should definitely check the requirements, but I would wager that as far as the state of South Carolina is concerned, it has also suspended your license to drink or use. Besides, you will probably get some more breathing room if you can tell your mother that you are done with all of that.
You have a second chance, but consider that you may not get a third one.