How can I maintain my dignity while Im hurting from a break up. It may be all I have left.

There have been some excellent posts about what to do after a break-up. Here they are:
https://www.askmehelpdesk.com/relationships/what-expect-when-you-get-dumped-123862.html
https://www.askmehelpdesk.com/relationships/list-things-do-after-breakup-78597.html

One of the keys to focus on your positive aspects. Like counting your blessings. Directing your energies in building yourself esteem back to where you enjoy yourself.

Dee Ne, by taking care of yourself. "Living well is the best revenge" Hold your head up,
Good Luck sweetie

It is important not to let your emotions gain control over you. Just because you are hurting doesn't mean you should think less of yourself. Try to stay busy with things you like, spend time with people that cares for you or find a new hobby