Lost Support Dog Darla in Houston - Help!

Name Darla.Female almost 2years old grey white has only right eye n doesn't see to good out of it.shes a motional support dog.And someone took her out of my car while I went into store then someone found her and gave her away to a person that claimed to be the owner no questions or any information asked to see if they were her owner and the person who gave her to them isnt being co-operative when asked any information bout the person.