This site has some of the best advice around, a lot of it usually ends up costing you more money. Which is OK, but if you haven't done your first photography course yet, maybe the priority is to learn first and spend later. As detailed on the first page, your great camera would benefit from the addition of the 17-55mm Canon lens, I wouldn't be thinking of switching to FF for a little while yet, but it might be worth considering down the track a bit.

Formal photography lessons usually return better image quality than a new lens, if you are a beginner in most cases.
Good luck with it, I look forward to you sharing some images with your new gear.