The Rovers midfielder made an immediate impression on his first Ewood outing on Friday, putting in a man-of-the-match display in the 1-1 draw with Blackpool.
Now as Rovers prepare to face the team at the top of the table, the 30-year-old knows it will be tough, but believes points are there for the taking.
"It is going to be a tough game but it is the same for everyone, we all have the same amount of rest," Williamson told Radio Rovers.
"We just have to make sure we do the right things and stay professional.
"I believe we can go there and win, there isn't a team in this league that we fear.
"I believe that we can go to any team in this league and take three points."
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