Devin Booker is keeping his cards close to his chest when it comes to his relationship with Kendall Jenner. When asked in an interview about whether it’s hard having the spotlight on his professional and private life, given that he’s dating the Keeping Up With the Kardashians alum, the Phoenix Suns player maintained he’s currently living his best life. “I wouldn’t say hard,” Booker replied of his life being under a microscope during his WSJ. Magazine interview, which was published Monday, March 7. “Honestly, I’m enjoying life to the fullest, and that came off my tongue so easily because it was…