If it's true, then WAHEYYYY! Brilliant idea.
The Rani was, of course, the evil Time Lady played by Kate O'Mara in the original run of Doctor Who suaring off against Colin Baker and Sylvester McCoy’s Doctors. Anderson certainly isn’t an unlikely choice to take over the role, as she’s now based in London and has appeared in a number of British productions since the X-Files, even the Beeb’s own version of Bleak House. And think of the publicity it'd generate.
So, please, let it be so.
And then we can have Duchovny as the Meddling Monk