  We investigate an extended chiral soliton model which includes $\pi, \rho,
\omega$ and $\sigma $ mesons as explicit degrees of freedom. The Lagrangian
incorporates chiral symmetry and broken scale invariance. A scalar-isoscalar
meson $\sigma$ is associated with a quarkonium dilaton field with a mass
$\msig\approx 550 $MeV. We show that the scalar field with anomalous dimension
slightly changes the static and electromagnetic properties of the nucleon. In
contrast, it plays a significant role in nucleon-nucleon dynamics and gives an
opportunity to describe well the two-nucleon interaction.
