Can't decide on a baby name!!

Taylar • Hi I'm Taylar my partner & I Were trying for 4 years due to pcos with 4 losses we now have a 2 year old boy and a little girl on the way due 12th of April 2020
Please help guys! We are having a little boy we like the names, Rhyder, Bentley, River, hunter, any suggestions would be fab! I love river but my partner thinks it's too unusual.