since the T-85 doesn't have any more cannons, keep the red dice as 3, I'd say from what we've seen it do, give it 3 green dice as well, thing has 8 engines, and maneuvers like a pro with no stress, probably a white barrel roll and boost in the action bar.
Hu is probably the greatest question, it's an X-wing, and doesn't seem to have uber shielding so I'd keep the shield value at 3, maybe 4, the question comes from whether it would keep the X's traditional 4 hull, or bum it up to 5, I don't want a 9 health X-wing, so either stay with 4 and give it 4 shields or go to 5 and give it 3 shields.
there is reason to hope and believe we may well get this soon, upgrades in heralds of hope pack say "Resistance X-wing" and not T-70, so a T-85 with possibly Poe, Kaz, Iolo, Hugh sion, and some generic may well be on the way.