Encountering wild animals is not an uncommon occurrence in Texas. In most cases the the only glimpse of a critter you will have is it's hind quarters as it runs away from you, however, spring time can be the exception with the abundance inexperienced young animals and the mothers acting to protect them. Remember the best way you can help and protect a wild animal is to just leave it alone and give it plenty of space.
Hands off baby animals - Regardless of the type of baby animal encountered it is always best to keep your distance. While it is an urban legend that the mother will abandon a baby if a person handles it, it is always a best practice to leave the young animal alone.
Watch the road - Especially in the early mornings and evenings, this is when most car/deer collisions occur.
Sick or injured - If you encounter an animal and you have reason to believe that it is injured or sick it is always best to notify the local wildlife rehabilitator, park ranger, veterinarian, or game warden.
Abandoned or alone fawn - Deer will often leave their fawns in a safe place that is usually well hidden from danger. If you come across a fawn leave it where it is as the mother probably left it there. If the fawn is acting distressed refer to the paragraph above.
I am by no means a professional in this matter so here are a few links that may offer you more and better information.
