I think these are really good for your first go. Your model is STUNNING! Keep her number for when you've had a few more practice runs! I wish I could shoot her!
Thank you! Yeah she sure is a beaut. She's actually a long-time friend so I should be able to shoot her as practice!
Your focus, as pointed out is a little soft, but viewing from further away it's actually not that noticeable - I think you have just about got away with it, but next time, use a tripod if possible and make sure your focus is
nailed on the eyes. Fire a few shots off for each pose and check them on the computer before editing, pick the one that's in focus. With my portraits, especially if using very shallow DOF, if the focus is on the eyelash instead of the eyeball, it gets ditched.
Yeah I learned that since I have trouble focusing through the viewfinder, I'll use live view mode to help me out. I'll pick more in focus pictures next time!
I always disagree when people insist on portrait orientation for portraits, I have a penchant for intimate, tight horizontal crops on portraits, so I don't see any problem there, but I would advise that if shooting a portrait in landscape orientation, you typically need to be a bit lower relative to your subject's face, otherwise it can look like they're trying to look up onto the cookie jar shelf
For the wide shot, I really like her pose, but because you have that big tree trunk on the left, I'd have balanced out that feature by placing her on the right. As it is, all the "weight" is on the left of the frame and it feels unbalanced because there is not sufficient negative space on the right to counteract it.
Oh yeah it does seem off balance. There I was going for the rule of thirds!
I will say though, that your exposure and white balance are
spot on for her skin colour and the autumnal colours of the scene.
Thanks 
Overall, you should be proud of this first shoot.
I am super proud of my first shoot and look forward to my future shoots!