You could just buy a new one.
Garage-Pro Grille Assembly Compatible with GMC JIMMY 1995-1997/SONOMA 1994-1997 Black Shell with Silver Insert with Composite Headlight Holes https://smile.amazon.com/dp/B07GL7TXVD/ref=cm_sw_r_cp_api_glt_fabc_PC1H2T9M3SHS2H89QGQ1