Answer:
Dominating.
Explanation:
A dominating conflicting style is the style in which an individual is self-centred and do not care about others opinions. Such person can be considered very tyrannical.
Such individuals just focuses on what he wants and what he thinks is right regardless of others interest, benefits, etc.
In the given scenario, Ricky is very tyrannical as he is moving forward with his decision despite the vocal objections by other team members.
So, the correct answer is Dominating conflict-handling style.