A group of teenagers built a shelter for a five-year-old boy who uses a wheelchair after becoming aware that he got wet while waiting for the school bus during the winter. Ryder Killam has had to battle rain, wind, and snow for about 15 minutes every day for the last three years, using only a patio umbrella as protection. However, after learning about his problem, local students in Bradford, Rhode Island got to work and built him his own bus shelter for the bottom of his driveway during their construction lessons. “Ryder uses it every day before school and his nurses wait inside it every day while they await his return home,” Ryder’s father, Tim, 39, said. “He does like to go hang out in it from time to time as his fort as well.” Ryder was born with spina bifida myelomeningocele and has never been able to walk. He began using …