I'd consider making another character but not necessarily saying "this is my main now." If you hop on your rogue and you get a group or find a necro who wants to kite with you or whatever, cool. If not, sit /lfg as long as you care to then play your other guy!
Actually that IS exactly what I did personally, when I was leveling a rogue like... well it was 1.5 years ago now. Even as a big-time twink, it sucks trying to level such a group-reliant class in the AM hours.
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