Thank you all for your tips and tricks. I was atually able to pet candy without her freakin out.
She was laying on the dog pillow next to my desk and was snuggling with spot, I was petting spot then "accidently" petting her. Then I was able to give her chin rubs for 2 minutes. Spot got up and walked away, when candy realized that a human was petting her she ran away. Well we made some progress, thats the most I was able to touch her since we have her