You don't need to be a drawing artist, really. Your artistic sense is off the charts, you have a certain sensibility and "verve" that really puts you into a very special spot. You need to do nothing more than what you are already doing. I don't even know, if it would be any good for you to get into drawing or challenge yourself that way. Just keep following your heart, your channels to what ever allows you to materialize these masterpieces of yours!

Besides, I know well known, successful abstract "artists", who draw truly lousy, if you asked me. But even the work they do is questionable at best. Non of what I've seen from them has the kind of impact your stuff has.
If was a curator of some gallery, I'd do everything to get you exhibition space! In my eyes and in my heart you are already there.