I'm a dog owner too but if I feel threatened, I'm gonna take action. I don't know what I'd do but if I got charged I'd probably unclip and kick the thing as hard as I could. I don't think taking either hand off the bars and reaching for a water bottle is safe. I don't think a squirt from a bottle would be enough for one that wants to bite, maybe ok for one who is just play chasing. I have friends who were on foot and stood their ground and the dogs wussed out and ran when my friends raised their arms and yelled at the dogs.