Do I have rights to visit my child as their biological father

You need to meet with an experienced family law attorney to file a paternity case to protect yourself.

Do I have a case for negligence on his part?

You need to meet with an experienced medical malpractice attorney

Can I sue over the broke hand and is it ok for them to take commissary money from inmates?

What does his lawyer say? Are there other inmates who have been denied or delayed proper medical treatments? There is strength in numbers.

Can I decline "Authorization to Disclose Health Information" from petitioners attorney?

File an objection to that part of the discovery request.

If 18 year old in Missouri moves out of his custodial parents home what is the process in terminating child support?

A motion has to be filed in Court to terminate child support

What should i be expecting to happen?

You must hire an experienced criminal defense attorney.

In order to give informed advice it is necessary to have a detailed statement of facts.

Can my husband legally get his daughter from a place that is detrimental to her? Where the grandma has been the sole caregiver?

Has there ever been a paternity suit filed? If not, one should be filed. If an order is in place the he has to move to modify it.

Can I legally "move back in" with my Gardian when I turn 17 even if I am in foster care. Or is there anything I can do?

If you are under the jurisdiction of the juvenile court, you must do what they say.

How can I go about finding legal help and medical help for my case to sue a city?

You might try calling Stephen Ryals in St. Louis, MO