I'm running DevHook v.46 and I have some ISOs that I just loaded. But what do I do when after I use winrar to unzip the file I get a PSP Game folder and a UMD_Data.Bin. How do I put these on the PSP and is there something else I need to do make it a regular ISO or CSO file.

I think you'll find that the file you "unzipped" with WinRAR was already a .iso file; hopefully you haven't deleted it.
Don't worry, you're not the first person on here that's done that, it's confusing because WinRAR associates itself with .iso files.