<form action="{{ route('posts.likes', $post->id) }}" type="submit" method='post' >
                  @csrf
                  @method('delete')
                <button  type="submit" class="btn btn-primary btn-sm">Dislike</button>
              </form>

//route
Route::delete('/posts/{id}/likes', [PostLikeController::class, 'destroy'])->name('posts.likes');