Chad Foster loves on his guide dog, Sarge, after a morning skiing on Snowmass on Monday, Feb. 22, 2021. (Kelsey Brunner/The Aspen Times) Paul Hibben, left, guides friend Chad Foster down a run off of the Big Burn lift in Snowmass on Monday, Feb. 22, 2021. (Kelsey Brunner/The Aspen Times) Chad Foster loves on his guide dog, Sarge, after a morning skiing on Snowmass on Monday, Feb. 22, 2021. (Kelsey Brunner/The Aspen Times) Paul Hibben, left, guides friend Chad Foster down a catwalk to the bottom of Snowmass on Monday, Feb. 22, 2021. (Kelsey Brunner/The Aspen Times) Paul Hibben, left, guides friend Chad Foster down a run off of the Big Burn lift in Snowmass on Monday, Feb. 22, 2021. (Kelsey Brunner/The Aspen Times)