The biggest thing is that you are not guiding the bow properly. Right now you are using bigger muscles which is making it difficult to keep the pinkie relaxed. It seems to me that you are using a lot of thumb and the tips of the fingers, instead of the front of the hand (index finger). It takes practice, and the drills will definitely help. Try to remember the violin is holding the bow for you, and it doesn’t take extra effort to keep it in your hands because of the stability. Easier said than done!
Also I highly recommend you get involved in some of the webinar classes. We talk a lot of technique in these classes and I’m sure they would be beneficial for you. I would recommend the 3-12 month experience class tomorrow night.