A Penn Valley soldier wounded in a July surprise attack in Afghanistan took major steps — both literal and figurative — toward recovery Wednesday. U.S. Army Spc. Brandon Walden, a 20-year-old Penn Valley native, walked 75 feet with the aid of a walker in the Center for the Intrepid, a military hospital based in San Antonio, said Laura Cummins, his mother. “He has range of motion in his leg, which is the first time that has happened in the last nine weeks,” Cummins said. Nevertheless, Walden still has difficulties ahead, as he continues to battle ailments both physical and psychological. …