2nd Round Target

I pulled a risky trade last year to add Christian McCaffrey. It almost paid off (I outscored every team during the playoffs each week), but I missed the playoffs by one game and specifically a loss of less than 1 pt. The good news is I won the 1st overall pick. It is a keeper league so I believe the best and only option at 1 is Christian McCaffrey. I am keeping Tyler Boyd because he will count as a final round pick, so I have a head start at WR. What should I do with the 2nd rounder knowing my 3rd round pick is goneā€¦it is a 14 team .5 ppr league. Do I have to go best available rb? Or if an elite WR is there should I take them?