Jump ball picked up by jumper

[genetoy71]

NFHS Rules. Ohio varsity girls game.

Team A and Team B lined up for jump ball to start game. R tosses ball. Jumpers for each team jump and touch ball. Ball comes down, hits floor within the restraining circle and is picked up by jumper for Team A. R blows whistle and awards throw-in at division line to Team B, possession arrow to Team A.

1) Should R have blown whistle or let play continue?
2) Does it make a difference if ball hit the floor within the restraining circle or outside of it after being touched by the jumpers before one of the jumpers can pick it up?