Generally speaking, aftermarket parts are far superior to factory stuff, so you're better off going aftermarket (based on my experiences). I always recommend Moog, they've never let me down.
You posted your question in the "Forum Help and Suggestions" section which is reserved for questions pertaining on how to use the forum. Not vehicle specific questions. So I moved your post to the Interior section of the forum.
Good luck and post pictures. Everyone wants to do this until you realize the unibody would need dto be basically cut in half longways to fit a RWD drivetrain underneath. But, good luck..
Does it have to be from Canada? Plenty of online touch up paint resources. Here's one.
https://touchupdirect.com/touch-up-paint/dodge/journey/#pf-year=2016