Success!!
I was able to stop by Tarheel 4wd Center in Charlotte, NC today. I spoke with Andy in the shop and he's the man. He knew all about the Rugged Ridge and other kits. Andy confirmed that unlike the stock shaft and many aftermarket SYE kits that keep/use the factory 3 snap rings, the Rugged Ridge mega short sye only retains the 1 ring that holds the gear on. The 2 snap rings that hold the bearing and shaft in the cone housing are no longer needed because the new housing already has the bearing with snap rings installed..
Andy also verified that the shaft is held in the proper position solely by tightening the yoke nut. Tightening the nut on the yoke pulls the shaft through the oil pump and holds it in the correct position.