5’3” 127 pounds. Your BMI is 22.5 Normal weight. For someone your height underweight is 104 pounds. BMI 18.4
You may want to research bariatric centers in your area or find a dietician that can help you out.
If you don’t feel healthy at this weight, increase your calories and carbs to gain weight. If your restriction is still tight, Find less dense foods…Example peanut butter, sweet potatoes etc.