Hi New2dieting, and welcome!
I saw your post on another board I think. You are quite small and right now you're limited as to what sort of exercise you can do, right? I think you said you were aiming for about 1060 calories because of your size? But always hungry?
A common concept on 3FC (that I agree with) is that diet is more important than exercise. It's so easy to out-eat an exercise program. However, I think for people who are small and don't have a lot of weight to lose, their calorie requirement is already pretty low, and exercise is very important to give them a little more wiggle room with calories.
Do you have access to a nutritionist, or someone knowledgeable who could help you come up with an eating plan that packs a lot of nutrients into such a small allotment of calories?
Does your physical therapist have any suggestions regarding exercise you could do? Can you pedal a bike, or even one of those little pedal-only contraptions you use while sitting in a chair? Or can you use an arm-cycle? Heck, on the Biggest Loser they had a guy who was injured and he would sit on the bed and shadow-box. This woman has a lot of different "bed" workouts:
Laurel House Quickie Fat-burning Bed Workout. Can you lift weights, even just hand weights? Building muscle is great for weight loss.
My sister is disabled and only 5 feet tall, and she lost a good amount of weight with Weight Watchers and has kept it off.
To answer your specific questions:
Diet or exercise: For me, diet is key. I can out-eat my workout with one stop at Starbucks.
Specific diet: I count calories, but I find I'm more successful if I focus on fruits & veggies, lean protein, yogurt, cottage cheese. And veggies. And veggies. And veggies.
How much do I work out: I run 4-6 miles 4x/week. Used to run more before injury, just getting back after a couple months.
Calories: I lose on 1600/day. Would probably lose pretty well on 1800.
Hope this helps... good luck!