Would definitely wait on the rabies, Not a fun shot, especially for one still adapting. I didn't give either rabies till we were actively outdoors often, and Spots tenacity for chasing anything furry that moved kicked in. Yep, after she started stalking a raccoon, decided to give her the shot.
With an indoor cat, it's not mandatory, though still recommended. But would definitely wait till circumstances were more ideal, and Aries was better adjusted.
Many cats can go through panic disorder when relocated with new family. My breeder sent a mild sedative to be used if needed. Also, can supplement with vitamins, one of the B's I think, which has a mood calming effect.
Know with my boy, who can be finicky, often have to go and prove my love to him, or he'll stay upstairs and pout, even if I call him, he'll pretend not to hear me till I go and find him. fraking cats.
Me domestic is the same way, when she feels I haven't given her enough of my time, she'll sleep upstairs in her queen chair. And only when I go up and give some love, will she come and sleep with us.
Just keep at it, be consistent, loving and calm. Figuring out what she's trying to tell ya is half the battle, being able to respond to her demands, can be difficult at times. But wouldn't trade my Pride for a million dollars.