I've been doing some research because I'm looking to do the same thing. I think the only option right now is ARB air lockers. Probably run you around 2.5k for the setup then install on top of that. I haven't found electronic lockers yet in my search
Please report back what they say. I am interested too.Has anyone here looked into whether the Ram LSD can be retrofitted by the dealer? I take my Rebel in next week for its first oil change and I'll ask if no one else has.