Himachal pacers led by Dhawan (5/51) wreaked havoc as they dismissed J&K, who started day three on 14 for one, for just 88 in 26.4 overs at HPCA stadium here.
Twenty-three-year-old Dhawan, who finished with match figures of nine for 121, was ably supported by his new-ball partner Vikramjeet Malik (2/21) and debutant seamer Akshay Chauhan (3/14).
Brief Scores:
Jammu & Kashmir 178 & 88 (Manik Gupta 18, Obaid Haroon 18; Rishi Dhawan 5/51)