Little Helping Hands!

Cory Wharton’s 3-year-old, Ryder, is new to being a big sister — and is loving every minute! Ever since Wharton’s GF, Taylor Selfridge, gave birth in April, “Ryder’s been very hands-on” with her sibling. “She wants to feed Mila. She wants to change her diaper,” the alum of The Challenge, 29, tells Us, noting that his brave toddler isn’t afraid of what she may find!