CKD G3b along with CAD. Her normal life?

Hi, My grandmother is sick from almost a month,she is taking medication for heart condition (CAD) since almost 4-5 years, medicines like lanoxin 0.5,sacurise 50,dytor 5(was taking dytor plus before CKD diagnosis few days back),rovor 10.her full body test was done and creatinine was at 1.3-1.4,USG wa was also done which confirmed CKD,uacr was also done,I could not show uacr report to doctor,how serious do you think her condition is and will she be fine,she is having weakness a lot,although she is showing very little improvement,we also consulted neurologist 2-3 weeks back as she was having dizziness and difficulty walking so he prescribed few medication like one ssri,divaa od,vertin dt 16,ct brain was done but nothing major was there as per doc,he said it's migraine.For CKD she is taking lobun fort,nodosis gst 500,febugit 40.what kind of diet should she take and how is the chance of her normal life?