If you're gonna go to the expense of doing a CGI character, let it be someone truly alien looking, that actually needs CGI, such at the Xindi Insectoids, or Species 8472, maybe even an alien that's not Bi-Pedal
Regarding Time Frame, I think if it's set 20+ years after Voyager returns home, you've got "Crazy Technology" issues again, considering all the Borg enhancements and other advanced Tech Voyager brought home with them.
One Day I hope to be the Man my Cat thinks I am
Where are we going? And why are we in this Handbasket?