Do you release her to fly around the house?

No, because according to the local law, that would mean hunting, and to hunt with a predatory bird, you need hunting license/ticket and falconry license. And these are difficult and expensive to obtain in my country (Hungary). I would have to through a training, including shooting with weapons at a target. This is very far from ideal, if you live with multiple disabilities, including multiple visual impairments, and live under the local minimum wage.

What do you feed her?

Mostly pigeon and chicken.

How long do hawks live?

The average lifespan of a Harris's hawk is 20-25 years.