If you are hyped for GE, you can't go wrong heading there first. Evening is a great time to go see the land. With Genie + you will probably be able to ride Millenium Falcon pretty easily. And hopping in line for ROTR around an hour before it closes (the attraction usually closes well before the rest of the park, at 8 or 9 pm) usually yields a reasonable wait.
If it were me, I'd probably see if I could get a reservation at the Cantina, for shortly after my arrival time. If that worked out, I'd grab a G+ for MFSR once in the park, head to the Cantina, enjoy that, go use MFSR LL, then explore GE for a bit before hopping into line at ROTR. Then after I'd explore a little more (if you are into using the play disney app there are some fun interactive things you can do with that)and/or get some food, maybe ride MFSR another time or two as the line dwindled (or use single rider if that works for your party). Keep an eye out for characters as they are often roaming the land. If it is a fireworks night you can also see the fireworks from GE in a few different spots. And if you want to do Savi's, nothing is more fun than taking your newly created lightsaber over to the Millenium Falcon for some great night pics.
Now, if GE is not something that you are hyped for and is just something that you are lukewarm on, I'd say do whatever you like to do in DL at night and save GE for when it suits you. Personally I really love GE and any time I'm solo it becomes my go to area to just enjoy myself. YMMV.
