DEAR PAW’S CORNER: I moved from a suburb to the mountains a couple of months ago, and while my dogs are thrilled to have several acres to run free on, I’m terrified that they will be bitten by rattlesnakes. A neighbor said that they are plentiful out here. How can I prevent this, and what do I do if they get bitten? -- Larry in Tennessee DEAR LARRY: While there is always a risk of a dog getting in…