Rhombus A B C D, with side length 6 , is rolled to form a cylinder of volume 6 by taping \overline{A B} to \overline{D C}. What is \sin (\angle A B C) ?
Answer Choices
A. \dfrac{\pi}{9}
B. \dfrac{1}{2}
C. \dfrac{\pi}{6}
D. \dfrac{\pi}{4}
E. \dfrac{\sqrt{3}}{2}