St. Louis dancer Rain Stippec was seriously injured shortly after midnight on Monday after a gunman open fire on her and a 30-year-old fire department captain while they were sitting in the firefighter's car in Soulard. Now, Pickleman's Gourmet Cafe is stepping in to help in her recovery. On February 16 from 5 p.m. to 8 p.m., 50 percent of all in-store sales will go toward Stippec's recovery fund.…