Brandon Blackstock's daughter Savannah Blackstock Lee is praising her late dad's partner, Brittney Marie Jones, for continuing his legacy following his death. Savannah, 23, took to her Instagram Story on Sunday, December 7, to praise Jones for working on Headwaters Livestock Auction, the company they created together before he died from cancer in August at the age of 48. "Yesterday @headwaterlivestock had their very first Cowboy Christmas and Ranch horse sale...