Help with puppy biting and potty training.?

I have a new Puggle, my first puppy, and have had her for about a week now (she's 9 weeks old, almost 10 at this point) and she was very quiet and calm when I first got her. She would go pee outside when I took her. Now I can't get her to go poop outside. We have a doggie door and I know she knows how to use it... show more I have a new Puggle, my first puppy, and have had her for about a week now (she's 9 weeks old, almost 10 at this point) and she was very quiet and calm when I first got her. She would go pee outside when I took her. Now I can't get her to go poop outside. We have a doggie door and I know she knows how to use it (I've seen her multiple times). Any suggestions for that? I've tried rubbing her nose in her piddle, but don't know what to do for her poop. Would piddle pads help if I put them by the doggie door?

Also, she is severely into biting. She's drawn blood on me multiple times and always insists on biting my ankles and toes as I walk, or attach herself to my pants and won't let go. I've tried multiple things with little to no response. I got her a few toys and would praise her any time she used them, replacing my foot/pants/shoes with one of her chew toys. I also had a friend that told me to spray her with a little water when she does it, that also hasn't worked. I also had a friend who told me to give her a soft little smack on the tush (the rolled up paper trick) and that only seems to make her more vicious, making her growl and bite more. I want my puppy to be good, I don't want to do the wrong thing and end up with a bad puppy.

Help!! (also, please be nice, i'm just trying to learn)
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