Yea Rogue still has Wonder Man's powers.
Though how much is the key question. In Uncanny Avengers, Rogue admitted Juggernaut is stronger than her physically but she does stalemate him a bit which she probably wouldn't be able to with her old Ms Marvel powers.
Compared to
This is post-Wonder Man leaving her body, around issue 28 or 29 iirc.
Piotr has had some impressive scenes against Juggernaut too, though I'm not sure he's ever outright beaten him.