This will not be the last time you scratch your rims. $125 per curb scrape
IMHO this is a losing proposition. The first ding is always the hardest, then you get used to it. Save wheel refinishing for the $125,000 Concourse Ferraris.
If you are really concerned, smooth out the scrape with a dremel or sand by hand and retouch with model paint for 3$.
PS I felt like cr4p the fist time I kissed the curb with my RS(first new car).