From DFW Airport
There are Shuttles, Lyft, Uber, and Taxis available at DFW airport. Just give them the address to the hotel you are staying at for a destination.
Be aware that it is about 45 minutes from DFW airport to the Granbury area. It can take an hour or more if you arrive during rush hour.
To And From The Event
There will be a bus running approximately every 25-30 minutes to and from the surrounding hotels and the event. This bus runs during the event on Sat. and includes the Saturday evening festivities.