My corgi is 6 months old now and I really need some help with disciplining her correctly. Every where that I've read stated that it's normal for Corgi puppies to nip at ankles due to their herding instincts and you should use a loud "NO" or a loud noise to help correct this behavior. Since I've been trying that for about 4 months now, I've become a little desperate. It's not just the ankle biting (she's actually gotten a little better), my main issue is that she'll snap at you at certain…