Was the one playing Carrie Ingalls in the opening credits of Little House on the Prairie (1974)). She wasn't supposed to fall down while running, and the film crew wanted to re-shoot the scene when she did, but Michael Landon told them to leave it.
Is the West Coast's top-ranked barrel racer.
As of 1998, was competing in women's professional rodeo.
Earned an associate's degree in animal science from Pierce College in
Woodland Hills, California, USA.
Her husband, William "Rocky" Foster, committed suicide on May 5, 2009. It happened two days after Sidney wanted to end their nine-year marriage. He shot himself in the head at their home in Visalia, CA. He was a veterinarian and horse breeder.
Earned her pro-rodeo permit.
As of May 2001, was competing in barrel racing, and is training to qualify for
the National Finals Rodeo in December 2001. She also trains and
consigns horses at her ranch in Littlerock, CA.
Inducted (as a cast member of Little House on the Prairie (1974)) into the Hall of Great Western Performers of the National Cowboy and Western
Heritage Museum in 1998.