Stub shaft wear is very a common issue with these trucks. If you google stub shaft wear fix dodge, there are a couple pages of cheap fixes to prevent this when you put the new axle in.

Here is a link: http://www.instructables.com/id/03-04-Dodge-Ram-1500-Dakota-Front-Axle-Stubs-Fix/

[color:"#00FF00"]68 Fastback Barracuda with some stuff[/color]