***There’s a killer on the loose near the Appalachian Trail in south-central PA*** This is a sequel to the 2013 indie “Dead Woman’s Hollow,” but it’s also a stand-alone flick, which is why the creators didn’t dub it “Dead Woman’s Hollow 2.” I haven’t seen the first film and have no interest in doing so (based on the trailer), yet it didn’t hinder my appreciation of this one at all. Charles Dawson played Sheriff Ward Hatsley in the prior movie and returns, albeit ousted from his position and sort of a conspiracy theorist living in a house in the sticks. Waylon K. Smith also returns as Buck,…