Possible Clues:

• Baylor’s environs
• Texas city between Dallas and Austin
• Texas city featured in most "Fixer Upper" episodes
• City that calls itself 'The Heart of Texas'
• City that anagrams to "a cow"
• City halfway between Dallas and Austin
• Baylor base
• Baylor University location
• Only major U.S. city with a radio station whose call letters spell the city's name
• Charlie Daniels song about Texas town