I installed lower rear shocks on my 2009 RK and did not have to anything with the jiffy stand.
When I lowered my '04 Ultra, I used some of the 3 position brackets that are cheap on eBay. Even at the lowest setting, my kickstand was fine. It wasn't as tolerant of inclines, so I paid more attention to that when I parked.
That said, I want to say what I always say when I mention these brackets. I only used them to cheaply test how I liked my bike lowered. If I hadn't traded the bike, I would have had my shocks shortened.