Forums to post dog searching for a home

I’m not familiar with the Houston rescue scene (grew up there but moved to AZ), does anyone know of good places to post a dog searching for a home specific to Houston? One of my friends found a dog and think it was abused. The dog is a mix so wouldn’t really be helpful to look for breed specific groups. They’re willing to foster her until a permanent home is found. Want to help her find good resources so they can find a good fit. Any subreddits, Facebook groups, websites, rescues, etc. you can recommend would be helpful!