What I'll do is, assess the damage first off. Is it a compression ding or just a chipaway nick (clean break). If its a compression ding, gotta do the back to start off. BUT a good 220/340 will make quick work of that little lip...keeping in mind that the better polished the back of the blade/iron is, the better the resulting edge. If the nick is within the micro bevel and does not go very far up into the meat of the blade I'll try some 100/150 to get a feel for just how much work lays ahead. If the 100/150 looks like its going to do a good job in relatively short order, then I just go for it. Eliminate the nick then proceed thru the grits (I use the scary sharp method) quickly. When the nick is a nasty lil bugger, welp, I just go and grab the 80, redo the primary bevel until the nick is gone and proceed from there. I like to keep my micro bevels something like 1/32" give or take a hair or two..
Essentially, IMHO there's no dancing around putting an edge on. Though the method may vary, the process is relatively consistent regardless of the method used. You have got to have a perfectly flat/polished back, a very well executed primary bevel (the primary bevel doesn't have to be polished, but if you got the time and patience, it certainly doesn't hurt), and finally a clean polished micro bevel, if you use one